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<html>
<head>
<title>PHP Opcode Documentation</title>
</head>
<body>
<h2> Documentation and sample code for PHP opcodes </h2>
<p> This is a list of PHP's opcodes with sample PHP code showing the use of each one. The list is not quite complete.</p>
<table border=1 ><tr><td bgcolor=#CCCCFF> Number </td><td bgcolor=#CCCCFF> Name</td> <td bgcolor=#CCCCFF> Sample code? </td> </tr><tr><td>0</td><td><a href=#NOP>NOP</a></td><td>yes</td></tr><tr><td>1</td><td><a href=#ADD>ADD</a></td><td>yes</td></tr><tr><td>2</td><td><a href=#SUB>SUB</a></td><td>yes</td></tr><tr><td>3</td><td><a href=#MUL>MUL</a></td><td>yes</td></tr><tr><td>4</td><td><a href=#DIV>DIV</a></td><td>yes</td></tr><tr><td>5</td><td><a href=#MOD>MOD</a></td><td>yes</td></tr><tr><td>6</td><td><a href=#SL>SL</a></td><td>yes</td></tr><tr><td>7</td><td><a href=#SR>SR</a></td><td>yes</td></tr><tr><td>8</td><td><a href=#CONCAT>CONCAT</a></td><td>yes</td></tr><tr><td>9</td><td><a href=#BW_OR>BW_OR</a></td><td>yes</td></tr><tr><td>10</td><td><a href=#BW_AND>BW_AND</a></td><td>yes</td></tr><tr><td>11</td><td><a href=#BW_XOR>BW_XOR</a></td><td>yes</td></tr><tr><td>12</td><td><a href=#BW_NOT>BW_NOT</a></td><td>yes</td></tr><tr><td>13</td><td><a href=#BOOL_NOT>BOOL_NOT</a></td><td>yes</td></tr><tr><td>14</td><td><a href=#BOOL_XOR>BOOL_XOR</a></td><td>yes</td></tr><tr><td>15</td><td><a href=#IS_IDENTICAL>IS_IDENTICAL</a></td><td>yes</td></tr><tr><td>16</td><td><a href=#IS_NOT_IDENTICAL>IS_NOT_IDENTICAL</a></td><td>yes</td></tr><tr><td>17</td><td><a href=#IS_EQUAL>IS_EQUAL</a></td><td>yes</td></tr><tr><td>18</td><td><a href=#IS_NOT_EQUAL>IS_NOT_EQUAL</a></td><td>yes</td></tr><tr><td>19</td><td><a href=#IS_SMALLER>IS_SMALLER</a></td><td>yes</td></tr><tr><td>20</td><td><a href=#IS_SMALLER_OR_EQUAL>IS_SMALLER_OR_EQUAL</a></td><td>yes</td></tr><tr><td>21</td><td><a href=#CAST>CAST</a></td><td>yes</td></tr><tr><td>22</td><td><a href=#QM_ASSIGN>QM_ASSIGN</a></td><td>yes</td></tr><tr><td>23</td><td><a href=#ASSIGN_ADD>ASSIGN_ADD</a></td><td>yes</td></tr><tr><td>24</td><td><a href=#ASSIGN_SUB>ASSIGN_SUB</a></td><td>yes</td></tr><tr><td>25</td><td><a href=#ASSIGN_MUL>ASSIGN_MUL</a></td><td>yes</td></tr><tr><td>26</td><td><a href=#ASSIGN_DIV>ASSIGN_DIV</a></td><td>yes</td></tr><tr><td>27</td><td><a href=#ASSIGN_MOD>ASSIGN_MOD</a></td><td>yes</td></tr><tr><td>28</td><td><a href=#ASSIGN_SL>ASSIGN_SL</a></td><td>yes</td></tr><tr><td>29</td><td><a href=#ASSIGN_SR>ASSIGN_SR</a></td><td>yes</td></tr><tr><td>30</td><td><a href=#ASSIGN_CONCAT>ASSIGN_CONCAT</a></td><td>yes</td></tr><tr><td>31</td><td><a href=#ASSIGN_BW_OR>ASSIGN_BW_OR</a></td><td>yes</td></tr><tr><td>32</td><td><a href=#ASSIGN_BW_AND>ASSIGN_BW_AND</a></td><td>yes</td></tr><tr><td>33</td><td><a href=#ASSIGN_BW_XOR>ASSIGN_BW_XOR</a></td><td>yes</td></tr><tr><td>34</td><td><a href=#PRE_INC>PRE_INC</a></td><td>yes</td></tr><tr><td>35</td><td><a href=#PRE_DEC>PRE_DEC</a></td><td>yes</td></tr><tr><td>36</td><td><a href=#POST_INC>POST_INC</a></td><td>yes</td></tr><tr><td>37</td><td><a href=#POST_DEC>POST_DEC</a></td><td>yes</td></tr><tr><td>38</td><td><a href=#ASSIGN>ASSIGN</a></td><td>yes</td></tr><tr><td>39</td><td><a href=#ASSIGN_REF>ASSIGN_REF</a></td><td>yes</td></tr><tr><td>40</td><td><a href=#ECHO>ECHO</a></td><td>yes</td></tr><tr><td>41</td><td><a href=#PRINT>PRINT</a></td><td>yes</td></tr><tr><td>42</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>43</td><td><a href=#JMPZ>JMPZ</a></td><td>yes</td></tr><tr><td>44</td><td><a href=#JMPNZ>JMPNZ</a></td><td>yes</td></tr><tr><td>45</td><td><a href=#JMPZNZ>JMPZNZ</a></td><td>yes</td></tr><tr><td>46</td><td><a href=#JMPZ_EX>JMPZ_EX</a></td><td>yes</td></tr><tr><td>47</td><td><a href=#JMPNZ_EX>JMPNZ_EX</a></td><td>yes</td></tr><tr><td>48</td><td><a href=#CASE>CASE</a></td><td>yes</td></tr><tr><td>49</td><td><a href=#SWITCH_FREE>SWITCH_FREE</a></td><td>yes</td></tr><tr><td>50</td><td><a href=#BRK>BRK</a></td><td>yes</td></tr><tr><td>51</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>52</td><td><a href=#BOOL>BOOL</a></td><td>yes</td></tr><tr><td>53</td><td><a href=#INIT_STRING>INIT_STRING</a></td><td>yes</td></tr><tr><td>54</td><td><a href=#ADD_CHAR>ADD_CHAR</a></td><td>yes</td></tr><tr><td>55</td><td><a href=#ADD_STRING>ADD_STRING</a></td><td>yes</td></tr><tr><td>56</td><td><a href=#ADD_VAR>ADD_VAR</a></td><td>yes</td></tr><tr><td>57</td><td><a href=#BEGIN_SILENCE>BEGIN_SILENCE</a></td><td>yes</td></tr><tr><td>58</td><td><a href=#END_SILENCE>END_SILENCE</a></td><td>yes</td></tr><tr><td>59</td><td><a href=#INIT_FCALL_BY_NAME>INIT_FCALL_BY_NAME</a></td><td>yes</td></tr><tr><td>60</td><td><a href=#DO_FCALL>DO_FCALL</a></td><td>yes</td></tr><tr><td>61</td><td><a href=#DO_FCALL_BY_NAME>DO_FCALL_BY_NAME</a></td><td>yes</td></tr><tr><td>62</td><td><a href=#RETURN>RETURN</a></td><td>yes</td></tr><tr><td>63</td><td><a href=#RECV>RECV</a></td><td>yes</td></tr><tr><td>64</td><td><a href=#RECV_INIT>RECV_INIT</a></td><td>yes</td></tr><tr><td>65</td><td><a href=#SEND_VAL>SEND_VAL</a></td><td>yes</td></tr><tr><td>66</td><td><a href=#SEND_VAR>SEND_VAR</a></td><td>yes</td></tr><tr><td>67</td><td><a href=#SEND_REF>SEND_REF</a></td><td>yes</td></tr><tr><td>68</td><td><a href=#NEW>NEW</a></td><td>yes</td></tr><tr><td>69</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>70</td><td><a href=#FREE>FREE</a></td><td>yes</td></tr><tr><td>71</td><td><a href=#INIT_ARRAY>INIT_ARRAY</a></td><td>yes</td></tr><tr><td>72</td><td><a href=#ADD_ARRAY_ELEMENT>ADD_ARRAY_ELEMENT</a></td><td>yes</td></tr><tr><td>73</td><td><a href=#INCLUDE_OR_EVAL>INCLUDE_OR_EVAL</a></td><td>yes</td></tr><tr><td>74</td><td><a href=#UNSET_VAR>UNSET_VAR</a></td><td>yes</td></tr><tr><td>75</td><td><a href=#UNSET_DIM>UNSET_DIM</a></td><td>yes</td></tr><tr><td>76</td><td><a href=#UNSET_OBJ>UNSET_OBJ</a></td><td>yes</td></tr><tr><td>77</td><td><a href=#FE_RESET>FE_RESET</a></td><td>yes</td></tr><tr><td>78</td><td><a href=#FE_FETCH>FE_FETCH</a></td><td>yes</td></tr><tr><td>79</td><td><a href=#EXIT>EXIT</a></td><td>yes</td></tr><tr><td>80</td><td><a href=#FETCH_R>FETCH_R</a></td><td>yes</td></tr><tr><td>81</td><td><a href=#FETCH_DIM_R>FETCH_DIM_R</a></td><td>yes</td></tr><tr><td>82</td><td><a href=#FETCH_OBJ_R>FETCH_OBJ_R</a></td><td>yes</td></tr><tr><td>83</td><td><a href=#FETCH_W>FETCH_W</a></td><td>yes</td></tr><tr><td>84</td><td><a href=#FETCH_DIM_W>FETCH_DIM_W</a></td><td>yes</td></tr><tr><td>85</td><td><a href=#FETCH_OBJ_W>FETCH_OBJ_W</a></td><td>yes</td></tr><tr><td>86</td><td><a href=#FETCH_RW>FETCH_RW</a></td><td>yes</td></tr><tr><td>87</td><td><a href=#FETCH_DIM_RW>FETCH_DIM_RW</a></td><td>yes</td></tr><tr><td>88</td><td><a href=#FETCH_OBJ_RW>FETCH_OBJ_RW</a></td><td>yes</td></tr><tr><td>89</td><td><a href=#FETCH_IS>FETCH_IS</a></td><td>yes</td></tr><tr><td>90</td><td><a href=#FETCH_DIM_IS>FETCH_DIM_IS</a></td><td>no</td></tr><tr><td>91</td><td><a href=#FETCH_OBJ_IS>FETCH_OBJ_IS</a></td><td>no</td></tr><tr><td>92</td><td><a href=#FETCH_FUNC_ARG>FETCH_FUNC_ARG</a></td><td>yes</td></tr><tr><td>93</td><td><a href=#FETCH_DIM_FUNC_ARG>FETCH_DIM_FUNC_ARG</a></td><td>yes</td></tr><tr><td>94</td><td><a href=#FETCH_OBJ_FUNC_ARG>FETCH_OBJ_FUNC_ARG</a></td><td>yes</td></tr><tr><td>95</td><td><a href=#FETCH_UNSET>FETCH_UNSET</a></td><td>no</td></tr><tr><td>96</td><td><a href=#FETCH_DIM_UNSET>FETCH_DIM_UNSET</a></td><td>no</td></tr><tr><td>97</td><td><a href=#FETCH_OBJ_UNSET>FETCH_OBJ_UNSET</a></td><td>no</td></tr><tr><td>98</td><td><a href=#FETCH_DIM_TMP_VAR>FETCH_DIM_TMP_VAR</a></td><td>yes</td></tr><tr><td>99</td><td><a href=#FETCH_CONSTANT>FETCH_CONSTANT</a></td><td>yes</td></tr><tr><td>100</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>101</td><td><a href=#EXT_STMT>EXT_STMT</a></td><td>no</td></tr><tr><td>102</td><td><a href=#EXT_FCALL_BEGIN>EXT_FCALL_BEGIN</a></td><td>no</td></tr><tr><td>103</td><td><a href=#EXT_FCALL_END>EXT_FCALL_END</a></td><td>no</td></tr><tr><td>104</td><td><a href=#EXT_NOP>EXT_NOP</a></td><td>no</td></tr><tr><td>105</td><td><a href=#TICKS>TICKS</a></td><td>yes</td></tr><tr><td>106</td><td><a href=#SEND_VAR_NO_REF>SEND_VAR_NO_REF</a></td><td>no</td></tr><tr><td>107</td><td><a href=#CATCH>CATCH</a></td><td>yes</td></tr><tr><td>108</td><td><a href=#THROW>THROW</a></td><td>yes</td></tr><tr><td>109</td><td><a href=#FETCH_CLASS>FETCH_CLASS</a></td><td>yes</td></tr><tr><td>110</td><td><a href=#CLONE>CLONE</a></td><td>yes</td></tr><tr><td>111</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>112</td><td><a href=#INIT_METHOD_CALL>INIT_METHOD_CALL</a></td><td>yes</td></tr><tr><td>113</td><td><a href=#INIT_STATIC_METHOD_CALL>INIT_STATIC_METHOD_CALL</a></td><td>yes</td></tr><tr><td>114</td><td><a href=#ISSET_ISEMPTY_VAR>ISSET_ISEMPTY_VAR</a></td><td>yes</td></tr><tr><td>115</td><td><a href=#ISSET_ISEMPTY_DIM_OBJ>ISSET_ISEMPTY_DIM_OBJ</a></td><td>yes</td></tr><tr><td>116</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>117</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>118</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>119</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>120</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>121</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>122</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>123</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>124</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>125</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>126</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>127</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>128</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>129</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>130</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>131</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>132</td><td><a href=#PRE_INC_OBJ>PRE_INC_OBJ</a></td><td>yes</td></tr><tr><td>133</td><td><a href=#PRE_DEC_OBJ>PRE_DEC_OBJ</a></td><td>yes</td></tr><tr><td>134</td><td><a href=#POST_INC_OBJ>POST_INC_OBJ</a></td><td>yes</td></tr><tr><td>135</td><td><a href=#POST_DEC_OBJ>POST_DEC_OBJ</a></td><td>yes</td></tr><tr><td>136</td><td><a href=#ASSIGN_OBJ>ASSIGN_OBJ</a></td><td>yes</td></tr><tr><td>137</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>138</td><td><a href=#INSTANCEOF>INSTANCEOF</a></td><td>yes</td></tr><tr><td>139</td><td><a href=#DECLARE_CLASS>DECLARE_CLASS</a></td><td>yes</td></tr><tr><td>140</td><td><a href=#DECLARE_INHERITED_CLASS>DECLARE_INHERITED_CLASS</a></td><td>yes</td></tr><tr><td>141</td><td><a href=#DECLARE_FUNCTION>DECLARE_FUNCTION</a></td><td>yes</td></tr><tr><td>142</td><td><a href=#RAISE_ABSTRACT_ERROR>RAISE_ABSTRACT_ERROR</a></td><td>yes</td></tr><tr><td>143</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>144</td><td><a href=#ADD_INTERFACE>ADD_INTERFACE</a></td><td>no</td></tr><tr><td>145</td><td><a href=#not documented>not documented</a></td><td>no</td></tr><tr><td>146</td><td><a href=#VERIFY_ABSTRACT_CLASS>VERIFY_ABSTRACT_CLASS</a></td><td>no</td></tr><tr><td>147</td><td><a href=#ASSIGN_DIM>ASSIGN_DIM</a></td><td>yes</td></tr><tr><td>148</td><td><a href=#ISSET_ISEMPTY_PROP_OBJ>ISSET_ISEMPTY_PROP_OBJ</a></td><td>yes</td></tr><tr><td>149</td><td><a href=#HANDLE_EXCEPTION>HANDLE_EXCEPTION</a></td><td>yes</td></tr><tr><td>150</td><td><a href=#USER_OPCODE>USER_OPCODE</a></td><td>no</td></tr></table><h2>OPCODE :<a name=ADD>ADD</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Adds "value1" to "value2" and stores the result into "result".
* opcode number: 1
*/
echo 1 + 2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ADD</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ADD_ARRAY_ELEMENT>ADD_ARRAY_ELEMENT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Add elem-value as an element to array-value
* opcode number: 72
*/
$a = array(1,2,3);
print_r($a);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 5</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'print_r'</td></tr><tr><td> 8</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ADD_CHAR>ADD_CHAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* add character value2 to string value1 and store in result
* opcode number: 54
*/
echo "hello\ world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hello%5C+world'</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ADD_INTERFACE>ADD_INTERFACE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 144
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=ADD_STRING>ADD_STRING</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* add string value2 to string value2 and store in result
* opcode number: 55
*/
echo "hello$a world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> 'hello'</td></tr><tr><td > </td><td> 1</td><td> ADD_VAR</td><td > </td><td > </td><td> ~0</td><td> ~0,!0</td></tr><tr><td > </td><td> 2</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> ~0,'+world'</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ADD_VAR>ADD_VAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* add contents of variable in value2 to string value1 and store in result
* opcode number: 56
*/
echo "hello$a world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> 'hello'</td></tr><tr><td > </td><td> 1</td><td> ADD_VAR</td><td > </td><td > </td><td> ~0</td><td> ~0,!0</td></tr><tr><td > </td><td> 2</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> ~0,'+world'</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN>ASSIGN</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* assigns value1 to result
* opcode number: 38
*/
$a=1;
$a='a';
$a=new A();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'a'</td></tr><tr><td> 8</td><td> 2</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :2</td><td> 'A'</td></tr><tr><td > </td><td> 3</td><td> NEW</td><td > </td><td > </td><td> $3</td><td> :2</td></tr><tr><td > </td><td> 4</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 5</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$3</td></tr><tr><td> 9</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_ADD>ASSIGN_ADD</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Add value1 to value2 and store in variable indicated by value1
* opcode number: 23
*/
$a+=3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_ADD</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_BW_AND>ASSIGN_BW_AND</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Performs binary AND on result and value1 and stores in variable indicated by result.
* opcode number: 32
*/
$a &= 64;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_BW_AND</td><td > </td><td > </td><td > </td><td> !0,64</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_BW_OR>ASSIGN_BW_OR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Performs binary OR on result and value1 and stores in variable indicated by result.
* opcode number: 31
*/
$a |= 64;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_BW_OR</td><td > </td><td > </td><td > </td><td> !0,64</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_BW_XOR>ASSIGN_BW_XOR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Performs binary XOR on result and value1and stores in variable indicated by result.
* opcode number: 33
*/
$a ^= 64;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_BW_XOR</td><td > </td><td > </td><td > </td><td> !0,64</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_CONCAT>ASSIGN_CONCAT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Concats string values result and value1 and store in variable indicated by result
* opcode number: 30
*/
$a .= 'z';
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_CONCAT</td><td > </td><td > </td><td > </td><td> !0,'z'</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_DIM>ASSIGN_DIM</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 147
*/
$b = 1;
$a[1][2] = $b;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$b, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> FETCH_DIM_W</td><td > </td><td > </td><td> $1</td><td> !1,1</td></tr><tr><td > </td><td> 2</td><td> ZEND_ASSIGN_DIM</td><td > </td><td > </td><td > </td><td> $1,2</td></tr><tr><td > </td><td> 3</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td> !0,$3</td></tr><tr><td> 8</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_DIV>ASSIGN_DIV</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Divide result by value1and store in variable indicated by result.
* opcode number: 26
*/
$a/=3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_DIV</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_MOD>ASSIGN_MOD</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Perform result mod value1 and store in variable indicated by result
* opcode number: 27
*/
$a %= 3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_MOD</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_MUL>ASSIGN_MUL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Multiply result by value1 and store in variable indicated by result
* opcode number: 25
*/
$a*=3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_MUL</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_OBJ>ASSIGN_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
*
* opcode number: 136
*/
$obj->a = $otherobj;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj, !1=$otherobj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_ASSIGN_OBJ</td><td > </td><td > </td><td > </td><td> !0,'a'</td></tr><tr><td > </td><td> 1</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td> !1</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_REF>ASSIGN_REF</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* indicates that variable indicated by value1 is to be treated in the global scope for the remainder of the current scope.
* opcode number: 39
*/
global $a;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> FETCH_W</td><td> globallock</td><td > </td><td> $0</td><td> 'a'</td></tr><tr><td > </td><td> 1</td><td> ASSIGN_REF</td><td > </td><td > </td><td > </td><td> !0,$0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_SL>ASSIGN_SL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Shift result by value1 bits to left and store in variable indicated by result
* opcode number: 28
*/
$a <<= 3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_SL</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_SR>ASSIGN_SR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Shift result by value1 bits to right and store in variable indicated by result
* opcode number: 29
*/
$a >>= 3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_SR</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ASSIGN_SUB>ASSIGN_SUB</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Subtract value1 from value2 and store in variable indicated by value1
* opcode number: 24
*/
$a-=3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN_SUB</td><td > </td><td > </td><td > </td><td> !0,3</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BEGIN_SILENCE>BEGIN_SILENCE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* prepare to perform function call without displaying error messages
* opcode number: 57
*/
/* Intentional file error */
$my_file = @file ('non_existent_file') or
die ("error:'$php_errormsg'");
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$my_file, !1=$php_errormsg </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> BEGIN_SILENCE</td><td > </td><td > </td><td> ~0</td><td > </td></tr><tr><td > </td><td> 1</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'non_existent_file'</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'file'</td></tr><tr><td > </td><td> 3</td><td> END_SILENCE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td > </td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td> $2</td><td> !0,$1</td></tr><tr><td > </td><td> 5</td><td> JMPNZ_EX</td><td > </td><td > </td><td> ~3</td><td> $2,->11</td></tr><tr><td> 8</td><td> 6</td><td> ADD_STRING</td><td > </td><td > </td><td> ~4</td><td> 'error%3A%27'</td></tr><tr><td > </td><td> 7</td><td> ADD_VAR</td><td > </td><td > </td><td> ~4</td><td> ~4,!1</td></tr><tr><td > </td><td> 8</td><td> ADD_CHAR</td><td > </td><td > </td><td> ~4</td><td> ~4,39</td></tr><tr><td > </td><td> 9</td><td> EXIT</td><td > </td><td > </td><td > </td><td> ~4</td></tr><tr><td > </td><td> 10</td><td> BOOL</td><td > </td><td > </td><td> ~3</td><td> true</td></tr><tr><td > </td><td> 11</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~3</td></tr><tr><td> 9</td><td> 12</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BOOL>BOOL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* convert value1 to boolean and store in result??????????
* opcode number: 52
*/
if (1 || 2 || 1) echo "foo";
//$a = true;
//if($a) echo "foo";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> JMPNZ_EX</td><td > </td><td > </td><td> ~0</td><td> 1,->2</td></tr><tr><td > </td><td> 1</td><td> BOOL</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> JMPNZ_EX</td><td > </td><td > </td><td> ~0</td><td> ~0,->4</td></tr><tr><td > </td><td> 3</td><td> BOOL</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 4</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~0,->7</td></tr><tr><td > </td><td> 5</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'foo'</td></tr><tr><td > </td><td> 6</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->7</td></tr><tr><td> 9</td><td> 7</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BOOL_NOT>BOOL_NOT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Boolean (logical) not of "value"
* opcode number: 13
*/
echo !1;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BOOL_NOT</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BOOL_XOR>BOOL_XOR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Boolean (logical) xor of value1
* opcode number: 14
*/
echo 1 xor 2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BOOL_XOR</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BRK>BRK</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=10 cols="130"><?php
/*
* ??? End of a case block exists the current switch block. Followed by JMP?
* opcode number: 50
*/
$x = 0;
while(1) {
if($x == 0) break;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td> 7</td><td> 1</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> 1,->7</td></tr><tr><td> 8</td><td> 2</td><td> IS_EQUAL</td><td > </td><td > </td><td> ~1</td><td> !0,0</td></tr><tr><td > </td><td> 3</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->6</td></tr><tr><td > </td><td> 4</td><td> BRK</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td > </td><td> 5</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->6</td></tr><tr><td> 9</td><td> 6</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->1</td></tr><tr><td> 10</td><td> 7</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BW_AND>BW_AND</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Bit-wise and of value1 and value2
* opcode number: 10
*/
echo 1&2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BW_AND</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BW_NOT>BW_NOT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Bit-wise not of "value"
* opcode number: 12
*/
echo ~15;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BW_NOT</td><td > </td><td > </td><td> ~0</td><td> 15</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BW_OR>BW_OR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Bit-wise or of value1 and value2
* opcode number: 9
*/
echo 1|2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BW_OR</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=BW_XOR>BW_XOR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Bit-wise xor of value1 and value2
* opcode number: 11
*/
echo 1^2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BW_XOR</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=CASE>CASE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=18 cols="130"><?php
/*
* Set result to true if value1 equals value2. The value2 must be a constant value?
* opcode number: 48
*/
$i=0;
switch ($i) {
case 0:
echo "i=0";
break;
case 1:
echo "i=1";
break;
case 2:
echo "i=2";
break;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$i </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td> 8</td><td> 1</td><td> CASE</td><td > </td><td > </td><td> ~1</td><td> !0,0</td></tr><tr><td > </td><td> 2</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->6</td></tr><tr><td> 9</td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'i%3D0'</td></tr><tr><td> 10</td><td> 4</td><td> BRK</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 11</td><td> 5</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->8</td></tr><tr><td > </td><td> 6</td><td> CASE</td><td > </td><td > </td><td> ~1</td><td> !0,1</td></tr><tr><td > </td><td> 7</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->11</td></tr><tr><td> 12</td><td> 8</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'i%3D1'</td></tr><tr><td> 13</td><td> 9</td><td> BRK</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 14</td><td> 10</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->13</td></tr><tr><td > </td><td> 11</td><td> CASE</td><td > </td><td > </td><td> ~1</td><td> !0,2</td></tr><tr><td > </td><td> 12</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->16</td></tr><tr><td> 15</td><td> 13</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'i%3D2'</td></tr><tr><td> 16</td><td> 14</td><td> BRK</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 17</td><td> 15</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->16</td></tr><tr><td> 18</td><td> 16</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=CAST>CAST</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* casts value1 as type value2 (?? Not certain about arguments ??)
* opcode number: 21
*/
echo (int)1;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> CAST</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=CATCH>CATCH</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=19 cols="130"><?php
/*
*
* opcode number: 107
*/
try {
$error = 'Always throw this error';
throw new Exception($error);
// Code following an exception is not executed.
echo 'Never executed';
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
}
// Continue execution
echo 'Hello World';
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$error, !1=$e </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'Always+throw+this+error'</td></tr><tr><td> 8</td><td> 1</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :1</td><td> 'Exception'</td></tr><tr><td > </td><td> 2</td><td> NEW</td><td > </td><td > </td><td> $2</td><td> :1</td></tr><tr><td > </td><td> 3</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 4</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 1</td><td > </td><td > </td></tr><tr><td > </td><td> 5</td><td> ZEND_THROW</td><td > </td><td> 0</td><td > </td><td> $2</td></tr><tr><td> 11</td><td> 6</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Never+executed'</td></tr><tr><td> 13</td><td> 7</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->15</td></tr><tr><td > </td><td> 8</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :4</td><td> 'Exception'</td></tr><tr><td > </td><td> 9</td><td> ZEND_CATCH</td><td > </td><td> 15</td><td > </td><td> $4,!1</td></tr><tr><td> 14</td><td> 10</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Caught+exception%3A+'</td></tr><tr><td > </td><td> 11</td><td> ZEND_INIT_METHOD_CALL</td><td > </td><td > </td><td > </td><td> !1,'getMessage'</td></tr><tr><td > </td><td> 12</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 13</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $6</td></tr><tr><td > </td><td> 14</td><td> ECHO</td><td > </td><td > </td><td > </td><td> '%0A'</td></tr><tr><td> 18</td><td> 15</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Hello+World'</td></tr><tr><td> 19</td><td> 16</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=CLONE>CLONE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 110
*/
$obj = new A();
$copy = clone $obj;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj, !1=$copy </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_CLONE</td><td > </td><td > </td><td> $4</td><td> !0</td></tr><tr><td > </td><td> 5</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$4</td></tr><tr><td> 8</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=CONCAT>CONCAT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Concats string values string1 and string2
* opcode number: 8
*/
echo "hello" . "world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> CONCAT</td><td > </td><td > </td><td> ~0</td><td> 'hello','world'</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=DECLARE_CLASS>DECLARE_CLASS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=11 cols="130"><?php
/*
* Declare a class with the name of class-name as the implementation specified by ID.
* opcode number: 139
*/
class A {
function methodA(){
echo "hello world";
}
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 11</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>methodA</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hello+world'</td></tr><tr><td> 9</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=DECLARE_FUNCTION>DECLARE_FUNCTION</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=10 cols="130"><?php
/*
*
* opcode number: 141
*/
class A{
function funcA(){
}
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 10</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>funcA</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=DECLARE_INHERITED_CLASS>DECLARE_INHERITED_CLASS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=20 cols="130"><?php
/*
*
* opcode number: 140
*/
if($b){
class Foo {
public static $my_static = 'foo';
public function staticValue() {
return self::$my_static;
}
}
class Bar extends Foo {
public function fooStatic() {
echo parent::$my_static;
}
}
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$b </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> !0,->5</td></tr><tr><td> 7</td><td> 1</td><td> ZEND_DECLARE_CLASS</td><td > </td><td > </td><td> $0</td><td> '%00foo%2Fmnt%2Fworkspace%2Fws_phpscripts%2FPHPopcodes%2Fphpsamples%2FDECLARE_INHERITED_CLASS.php0xb7be503b','foo'</td></tr><tr><td> 14</td><td> 2</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :1</td><td> 'Foo'</td></tr><tr><td > </td><td> 3</td><td> ZEND_DECLARE_INHERITED_CLASS</td><td > </td><td > </td><td> $2</td><td> '%00bar%2Fmnt%2Fworkspace%2Fws_phpscripts%2FPHPopcodes%2Fphpsamples%2FDECLARE_INHERITED_CLASS.php0xb7be50bc','bar'</td></tr><tr><td> 19</td><td> 4</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->5</td></tr><tr><td> 20</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>staticValue</b></br>Compiled variables: !0=$my_static </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 10</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 1</td><td> FETCH_R</td><td> staticmember</td><td > </td><td> $1</td><td> 'my_static'</td></tr><tr><td > </td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> $1</td></tr><tr><td> 11</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br>Function name: <b>fooStatic</b></br>Compiled variables: !0=$my_static </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 16</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td > </td></tr><tr><td > </td><td> 1</td><td> FETCH_R</td><td> staticmember</td><td > </td><td> $1</td><td> 'my_static'</td></tr><tr><td > </td><td> 2</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $1</td></tr><tr><td> 17</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=DIV>DIV</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Divides "value1" by "value2" and stores the result into "result".
* opcode number: 4
*/
echo 6/3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> DIV</td><td > </td><td > </td><td> ~0</td><td> 6,3</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=DO_FCALL>DO_FCALL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Call a function. Following multiple SEND_VAL, SEND_VAR or SEND_REF.
* opcode number: 60
*/
$a = phpinfo();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> DO_FCALL</td><td > </td><td> 0</td><td > </td><td> 'phpinfo'</td></tr><tr><td > </td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=DO_FCALL_BY_NAME>DO_FCALL_BY_NAME</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Call a function by name. Following INIT_FCALL_BY_NAME and multiple SEND_VAL, SEND_VAR or SEND_REF.
* opcode number: 61
*/
$x = 'phpinfo';
$a = $x();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'phpinfo'</td></tr><tr><td> 7</td><td> 1</td><td> INIT_FCALL_BY_NAME</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$1</td></tr><tr><td> 8</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ECHO>ECHO</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Dump text
* opcode number: 40
*/
echo "hello world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hello+world'</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=END_SILENCE>END_SILENCE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* no longer surpress error messages
* opcode number: 58
*/
$my_file = @file ('non_existent_file') or
die ("error:'$php_errormsg'");
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$my_file, !1=$php_errormsg </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BEGIN_SILENCE</td><td > </td><td > </td><td> ~0</td><td > </td></tr><tr><td > </td><td> 1</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'non_existent_file'</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'file'</td></tr><tr><td > </td><td> 3</td><td> END_SILENCE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td > </td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td> $2</td><td> !0,$1</td></tr><tr><td > </td><td> 5</td><td> JMPNZ_EX</td><td > </td><td > </td><td> ~3</td><td> $2,->11</td></tr><tr><td> 7</td><td> 6</td><td> ADD_STRING</td><td > </td><td > </td><td> ~4</td><td> 'error%3A%27'</td></tr><tr><td > </td><td> 7</td><td> ADD_VAR</td><td > </td><td > </td><td> ~4</td><td> ~4,!1</td></tr><tr><td > </td><td> 8</td><td> ADD_CHAR</td><td > </td><td > </td><td> ~4</td><td> ~4,39</td></tr><tr><td > </td><td> 9</td><td> EXIT</td><td > </td><td > </td><td > </td><td> ~4</td></tr><tr><td > </td><td> 10</td><td> BOOL</td><td > </td><td > </td><td> ~3</td><td> true</td></tr><tr><td > </td><td> 11</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~3</td></tr><tr><td> 8</td><td> 12</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=EXIT>EXIT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Exit running after dumping "message".
* opcode number: 79
*/
die("foobar");
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> EXIT</td><td > </td><td > </td><td > </td><td> 'foobar'</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=EXT_FCALL_BEGIN>EXT_FCALL_BEGIN</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 102
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=EXT_FCALL_END>EXT_FCALL_END</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 103
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=EXT_NOP>EXT_NOP</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 104
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=EXT_STMT>EXT_STMT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 101
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_CLASS>FETCH_CLASS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
*
* opcode number: 109
*/
$obj = new A();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_CONSTANT>FETCH_CONSTANT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Fetch the constant value bound to the specified name (name) and stores it into a variable (result).
* opcode number: 99
*/
define("FOO", "something");
echo FOO;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'FOO'</td></tr><tr><td > </td><td> 1</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'something'</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL</td><td > </td><td> 2</td><td > </td><td> 'define'</td></tr><tr><td> 7</td><td> 3</td><td> FETCH_CONSTANT</td><td > </td><td > </td><td> ~1</td><td> 'FOO'</td></tr><tr><td > </td><td> 4</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~1</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_DIM_FUNC_ARG>FETCH_DIM_FUNC_ARG</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=17 cols="130"><?php
/*
*
* opcode number: 93
*/
function foo(&$x)
{
print($x);
}
$x = array(0, 1, 2, 3, 4, 5);
$z = "foo";
$z($x[0]);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$z </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 12</td><td> 1</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 0</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 3</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 4</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 5</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 4</td></tr><tr><td > </td><td> 6</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 5</td></tr><tr><td > </td><td> 7</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 13</td><td> 8</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'foo'</td></tr><tr><td> 15</td><td> 9</td><td> INIT_FCALL_BY_NAME</td><td > </td><td > </td><td > </td><td> !1</td></tr><tr><td > </td><td> 10</td><td> FETCH_DIM_FUNC_ARG</td><td > </td><td > </td><td> $3</td><td> !0,0</td></tr><tr><td > </td><td> 11</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> $3</td></tr><tr><td > </td><td> 12</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 1</td><td > </td><td > </td></tr><tr><td> 17</td><td> 13</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>foo</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 9</td><td> 1</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 2</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 10</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=FETCH_DIM_IS>FETCH_DIM_IS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 90
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_DIM_R>FETCH_DIM_R</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value of the element at "index" in "array-value" to store it in "result". Read-only?
* opcode number: 81
*/
$x = array(1,2,3);
$a = 'x';
echo $$a[0];
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 5</td><td> FETCH_DIM_R</td><td > </td><td > </td><td> $3</td><td> !1,0</td></tr><tr><td > </td><td> 6</td><td> FETCH_R</td><td> local</td><td > </td><td> $4</td><td> $3</td></tr><tr><td > </td><td> 7</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $4</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_DIM_RW>FETCH_DIM_RW</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value of the element at "index" in "array-value" to store it in "result".
* opcode number: 87
*/
$x = array(1,2,3);
$a = 'x';
$$a[0]++;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 5</td><td> FETCH_DIM_R</td><td > </td><td > </td><td> $3</td><td> !1,0</td></tr><tr><td > </td><td> 6</td><td> FETCH_RW</td><td> local</td><td > </td><td> $4</td><td> $3</td></tr><tr><td > </td><td> 7</td><td> POST_INC</td><td > </td><td > </td><td> ~5</td><td> $4</td></tr><tr><td > </td><td> 8</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 9</td><td> 9</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_DIM_TMP_VAR>FETCH_DIM_TMP_VAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Fetch an entry of an array from a temporal variable?
* opcode number: 98
*/
list($x) = array("X");
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 'X'</td></tr><tr><td > </td><td> 1</td><td> FETCH_DIM_TMP_VAR</td><td > </td><td > </td><td> $1</td><td> ~0,0</td></tr><tr><td > </td><td> 2</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td > </td><td> 3</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_DIM_UNSET>FETCH_DIM_UNSET</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
* Fetch an entry of an array variable for the purpose of unset() operation.
* opcode number: 96
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_DIM_W>FETCH_DIM_W</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=23 cols="130"><?php
/*
* Fetch the value of the element at "index" in "array-value" to store it in "result". Write-only?
* opcode number: 84
*/
$a = 1;
while($a > 0){
$a = 0;
}
/*$input =array(1,2,3);
while (list($var,) = @each($input)){
unset($$var);
}*/
/*$a = array(1,2,3);
$x = 'a';
$$x[0] = 1;*/
/*while ($b = each($a)) {
print $b;
}*/
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~1</td><td> 0,!0</td></tr><tr><td > </td><td> 2</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->5</td></tr><tr><td> 8</td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td> 9</td><td> 4</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->1</td></tr><tr><td> 23</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_FUNC_ARG>FETCH_FUNC_ARG</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=16 cols="130"><?php
/*
*
* opcode number: 92
*/
function foo($x)
{
}
$x = 1;
$y = "x";
$z = "foo";
$z($$y);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$y, !2=$z </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 10</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 11</td><td> 2</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 12</td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !2,'foo'</td></tr><tr><td> 14</td><td> 4</td><td> INIT_FCALL_BY_NAME</td><td > </td><td > </td><td > </td><td> !2</td></tr><tr><td > </td><td> 5</td><td> FETCH_FUNC_ARG</td><td> local</td><td > </td><td> $3</td><td> !1</td></tr><tr><td > </td><td> 6</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> $3</td></tr><tr><td > </td><td> 7</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 1</td><td > </td><td > </td></tr><tr><td> 16</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>foo</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 8</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=FETCH_IS>FETCH_IS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value from variable which is to be used to test if it is set or not, through isset()/isempty().
* opcode number: 89
*/
echo isset($_SESSION['userid']);
echo isset($_SESSION['userid'][1]);
echo isset($_SESSION->prop->prop);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> FETCH_IS</td><td > </td><td > </td><td> $0</td><td> '_SESSION'</td></tr><tr><td > </td><td> 1</td><td> ZEND_ISSET_ISEMPTY_DIM_OBJ</td><td > </td><td> 1</td><td> ~1</td><td> $0,'userid'</td></tr><tr><td > </td><td> 2</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~1</td></tr><tr><td> 7</td><td> 3</td><td> FETCH_IS</td><td > </td><td > </td><td> $2</td><td> '_SESSION'</td></tr><tr><td > </td><td> 4</td><td> FETCH_DIM_IS</td><td > </td><td > </td><td> $3</td><td> $2,'userid'</td></tr><tr><td > </td><td> 5</td><td> ZEND_ISSET_ISEMPTY_DIM_OBJ</td><td > </td><td> 1</td><td> ~4</td><td> $3,1</td></tr><tr><td > </td><td> 6</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~4</td></tr><tr><td> 8</td><td> 7</td><td> FETCH_IS</td><td > </td><td > </td><td> $5</td><td> '_SESSION'</td></tr><tr><td > </td><td> 8</td><td> FETCH_OBJ_IS</td><td > </td><td > </td><td> $6</td><td> $5,'prop'</td></tr><tr><td > </td><td> 9</td><td> ZEND_ISSET_ISEMPTY_PROP_OBJ</td><td > </td><td > </td><td> ~7</td><td> $6,'prop'</td></tr><tr><td > </td><td> 10</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~7</td></tr><tr><td> 9</td><td> 11</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_OBJ_FUNC_ARG>FETCH_OBJ_FUNC_ARG</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=19 cols="130"><?php
/*
*
* opcode number: 94
*/
include './classA.php';
function foo(&$x)
{
print($x);
}
$z = "foo";
$obj = new A();
print $obj->num;
$z($obj->num);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$z, !1=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INCLUDE_OR_EVAL</td><td > </td><td > </td><td > </td><td> '.%2FclassA.php',INCLUDE</td></tr><tr><td> 8</td><td> 1</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 13</td><td> 2</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'foo'</td></tr><tr><td> 15</td><td> 3</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :2</td><td> 'A'</td></tr><tr><td > </td><td> 4</td><td> NEW</td><td > </td><td > </td><td> $3</td><td> :2</td></tr><tr><td > </td><td> 5</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 6</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$3</td></tr><tr><td> 16</td><td> 7</td><td> FETCH_OBJ_R</td><td > </td><td > </td><td> $6</td><td> !1,'num'</td></tr><tr><td > </td><td> 8</td><td> PRINT</td><td > </td><td > </td><td> ~7</td><td> $6</td></tr><tr><td > </td><td> 9</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~7</td></tr><tr><td> 17</td><td> 10</td><td> INIT_FCALL_BY_NAME</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 11</td><td> FETCH_OBJ_FUNC_ARG</td><td > </td><td > </td><td> $8</td><td> !1,'num'</td></tr><tr><td > </td><td> 12</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> $8</td></tr><tr><td > </td><td> 13</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 1</td><td > </td><td > </td></tr><tr><td> 19</td><td> 14</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>foo</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 10</td><td> 1</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 2</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 11</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br>Function name: <b>foo</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 10</td><td> 1</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 2</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 11</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=FETCH_OBJ_IS>FETCH_OBJ_IS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 91
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_OBJ_R>FETCH_OBJ_R</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the "prop-name" property value of this object. Read-only?
* opcode number: 82
*/
$x = new A();
$a = 'x';
echo $$a->num;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 5</td><td> FETCH_R</td><td> local</td><td > </td><td> $5</td><td> !1</td></tr><tr><td > </td><td> 6</td><td> FETCH_OBJ_R</td><td > </td><td > </td><td> $6</td><td> $5,'num'</td></tr><tr><td > </td><td> 7</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $6</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_OBJ_RW>FETCH_OBJ_RW</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the "prop-name" property value of this object.
* opcode number: 88
*/
$x = new A();
$a = 'x';
$$a->num++;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 5</td><td> FETCH_RW</td><td> local</td><td > </td><td> $5</td><td> !1</td></tr><tr><td > </td><td> 6</td><td> ZEND_POST_INC_OBJ</td><td > </td><td > </td><td> ~7</td><td> $5,'num'</td></tr><tr><td > </td><td> 7</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~7</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_OBJ_UNSET>FETCH_OBJ_UNSET</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
* Fetch a property of an object variable for the purpose of unset() operation.
* opcode number: 97
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_OBJ_W>FETCH_OBJ_W</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the "prop-name" property value of this object. Write-only?
* opcode number: 85
*/
$x = new A();
$a = 'x';
$$a->num = 1;;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 5</td><td> FETCH_W</td><td> local</td><td > </td><td> $5</td><td> !1</td></tr><tr><td > </td><td> 6</td><td> ZEND_ASSIGN_OBJ</td><td > </td><td > </td><td > </td><td> $5,'num'</td></tr><tr><td > </td><td> 7</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_R>FETCH_R</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value of the varible of "name" to assign it to a variable? Read-only?
* opcode number: 80
*/
$x = 1;
$a = 'x';
echo $$a;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 2</td><td> FETCH_R</td><td> local</td><td > </td><td> $2</td><td> !1</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $2</td></tr><tr><td> 9</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_RW>FETCH_RW</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value of the varible of "name" to assign it to a variable?
* opcode number: 86
*/
$x = 1;
$a = 'x';
$$a++;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 2</td><td> FETCH_RW</td><td> local</td><td > </td><td> $2</td><td> !1</td></tr><tr><td > </td><td> 3</td><td> POST_INC</td><td > </td><td > </td><td> ~3</td><td> $2</td></tr><tr><td > </td><td> 4</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~3</td></tr><tr><td> 9</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FETCH_UNSET>FETCH_UNSET</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
* Fetch a variable for the purpose of unset() operation.
* opcode number: 95
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=FETCH_W>FETCH_W</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Fetch the value of the varible of "name" to assign it to a variable? Write-only?
* opcode number: 83
*/
$x = 1;
$a = 'x';
$$a = 2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 2</td><td> FETCH_W</td><td> local</td><td > </td><td> $2</td><td> !1</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> $2,2</td></tr><tr><td> 9</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FE_FETCH>FE_FETCH</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=10 cols="130"><?php
/*
* Fetch an element from iterator. If no element is available, jump to address. Followed by OP_DATA?
* opcode number: 78
*/
$a = array(1,2,3);
foreach($a as $num){
print $num;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a, !1=$num </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> FE_RESET</td><td > </td><td > </td><td> $2</td><td> !0,->11</td></tr><tr><td > </td><td> 5</td><td> FE_FETCH</td><td > </td><td > </td><td> $3</td><td> $2,->11</td></tr><tr><td > </td><td> 6</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 7</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$3</td></tr><tr><td> 8</td><td> 8</td><td> PRINT</td><td > </td><td > </td><td> ~5</td><td> !1</td></tr><tr><td > </td><td> 9</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 9</td><td> 10</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->5</td></tr><tr><td > </td><td> 11</td><td> SWITCH_FREE</td><td > </td><td > </td><td > </td><td> $2</td></tr><tr><td> 10</td><td> 12</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FE_RESET>FE_RESET</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=10 cols="130"><?php
/*
* Initialize an iterator on array-value. If the array is empty, jump to address. Followed by FE_FETCH.
* opcode number: 77
*/
$a = array(1,2,3);
foreach($a as $num){
print $num;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a, !1=$num </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> FE_RESET</td><td > </td><td > </td><td> $2</td><td> !0,->11</td></tr><tr><td > </td><td> 5</td><td> FE_FETCH</td><td > </td><td > </td><td> $3</td><td> $2,->11</td></tr><tr><td > </td><td> 6</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 7</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$3</td></tr><tr><td> 8</td><td> 8</td><td> PRINT</td><td > </td><td > </td><td> ~5</td><td> !1</td></tr><tr><td > </td><td> 9</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 9</td><td> 10</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->5</td></tr><tr><td > </td><td> 11</td><td> SWITCH_FREE</td><td > </td><td > </td><td > </td><td> $2</td></tr><tr><td> 10</td><td> 12</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=FREE>FREE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Release the allocated space of the value.
* opcode number: 70
*/
print "Hello World";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> 'Hello+World'</td></tr><tr><td > </td><td> 1</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=HANDLE_EXCEPTION>HANDLE_EXCEPTION</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 149
*/
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=INCLUDE_OR_EVAL>INCLUDE_OR_EVAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Include the file specified by filename and eval it.
* opcode number: 73
*/
include("test.php");
eval("test.php");
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INCLUDE_OR_EVAL</td><td > </td><td > </td><td > </td><td> 'test.php',INCLUDE</td></tr><tr><td> 7</td><td> 1</td><td> INCLUDE_OR_EVAL</td><td > </td><td > </td><td > </td><td> 'test.php',EVAL</td></tr><tr><td> 8</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 2</td><td> 0</td><td> DO_FCALL</td><td > </td><td> 0</td><td > </td><td> 'phpinfo'</td></tr><tr><td> 3</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=INIT_ARRAY>INIT_ARRAY</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Allocate a new array with elem-value as the first element of the array. Followed by ADD_ARRAY_ELEMENT.
* opcode number: 71
*/
$a = array(1,2,3);
print_r($a);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 5</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'print_r'</td></tr><tr><td> 8</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=INIT_FCALL_BY_NAME>INIT_FCALL_BY_NAME</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* prepare for a function call to function value1
* opcode number: 59
*/
$x = 'phpinfo';
$a = $x();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'phpinfo'</td></tr><tr><td> 7</td><td> 1</td><td> INIT_FCALL_BY_NAME</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$1</td></tr><tr><td> 8</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=INIT_METHOD_CALL>INIT_METHOD_CALL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=16 cols="130"><?php
/*
* Prepare for a method call. Followed by DO_FCALL.
* opcode number: 112
*/
class A {
var $num;
function incrementNum(){
$num++;
}
}
$obj = new A();
$obj->incrementNum();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 13</td><td> 1</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :1</td><td> 'A'</td></tr><tr><td > </td><td> 2</td><td> NEW</td><td > </td><td > </td><td> $2</td><td> :1</td></tr><tr><td > </td><td> 3</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$2</td></tr><tr><td> 14</td><td> 5</td><td> ZEND_INIT_METHOD_CALL</td><td > </td><td > </td><td > </td><td> !0,'incrementNum'</td></tr><tr><td > </td><td> 6</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td> 16</td><td> 7</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>incrementNum</b></br>Compiled variables: !0=$num </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 9</td><td> 0</td><td> POST_INC</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 1</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 10</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=INIT_STATIC_METHOD_CALL>INIT_STATIC_METHOD_CALL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=13 cols="130"><?php
/*
*
* opcode number: 113
*/
class Foo {
public static function aStaticMethod() {
echo "hello world\n";
}
}
Foo::aStaticMethod();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 12</td><td> 1</td><td> ZEND_INIT_STATIC_METHOD_CALL</td><td > </td><td > </td><td > </td><td> 'Foo','aStaticMethod'</td></tr><tr><td > </td><td> 2</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td> 'foo%3A%3Aastaticmethod'</td></tr><tr><td > </td><td> 3</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td> 13</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>aStaticMethod</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hello+world%0A'</td></tr><tr><td> 9</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=INIT_STRING>INIT_STRING</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* appears to create a string variable in result
* opcode number: 53
*/
echo "hello$a world";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> 'hello'</td></tr><tr><td > </td><td> 1</td><td> ADD_VAR</td><td > </td><td > </td><td> ~0</td><td> ~0,!0</td></tr><tr><td > </td><td> 2</td><td> ADD_STRING</td><td > </td><td > </td><td> ~0</td><td> ~0,'+world'</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=INSTANCEOF>INSTANCEOF</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=11 cols="130"><?php
/*
*
* opcode number: 138
*/
$obj = new A();
if ($obj instanceof A) {
echo 'A';
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 8</td><td> 4</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :4</td><td> 'A'</td></tr><tr><td > </td><td> 5</td><td> ZEND_INSTANCEOF</td><td > </td><td > </td><td> ~5</td><td> !0,$4</td></tr><tr><td > </td><td> 6</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~5,->9</td></tr><tr><td> 9</td><td> 7</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'A'</td></tr><tr><td> 10</td><td> 8</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->9</td></tr><tr><td> 11</td><td> 9</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ISSET_ISEMPTY_DIM_OBJ>ISSET_ISEMPTY_DIM_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Tests if the entry of an array is set or not.
* opcode number: 115
*/
if(isset($a[0])) return 0;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_ISSET_ISEMPTY_DIM_OBJ</td><td > </td><td> 1</td><td> ~0</td><td> !0,0</td></tr><tr><td > </td><td> 1</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~0,->4</td></tr><tr><td > </td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 0</td></tr><tr><td > </td><td> 3</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->4</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ISSET_ISEMPTY_PROP_OBJ>ISSET_ISEMPTY_PROP_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 148
*/
$obj = new A();
if(empty($obj->num)) return 0;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_ISSET_ISEMPTY_PROP_OBJ</td><td > </td><td > </td><td> ~4</td><td> !0,'num'</td></tr><tr><td > </td><td> 5</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~4,->8</td></tr><tr><td > </td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 0</td></tr><tr><td > </td><td> 7</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->8</td></tr><tr><td> 8</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=ISSET_ISEMPTY_VAR>ISSET_ISEMPTY_VAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Tests if the value of a variable is set or not.
* opcode number: 114
*/
if(isset($a)){ return 0;}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_ISSET_ISEMPTY_VAR</td><td > </td><td> 5</td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 1</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~0,->4</td></tr><tr><td > </td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 0</td></tr><tr><td > </td><td> 3</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->4</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_EQUAL>IS_EQUAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* compares if value1 and value2 are equal
* opcode number: 17
*/
echo (1 == 1);
echo (1 == 'c');
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_EQUAL</td><td > </td><td > </td><td> ~0</td><td> 1,1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> IS_EQUAL</td><td > </td><td > </td><td> ~1</td><td> 1,'c'</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~1</td></tr><tr><td> 8</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_IDENTICAL>IS_IDENTICAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Compares value1 and value2 to see if they are equal AND have the same type
* opcode number: 15
*/
echo (1===1);
echo (1==='a');
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_IDENTICAL</td><td > </td><td > </td><td> ~0</td><td> 1,1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> IS_IDENTICAL</td><td > </td><td > </td><td> ~1</td><td> 1,'a'</td></tr><tr><td > </td><td> 3</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~1</td></tr><tr><td> 8</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_NOT_EQUAL>IS_NOT_EQUAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* compares if value1 and value2 are not equal
* opcode number: 18
*/
echo (1 != 1);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_NOT_EQUAL</td><td > </td><td > </td><td> ~0</td><td> 1,1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_NOT_IDENTICAL>IS_NOT_IDENTICAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* compares value1 and value2 to see if they are unequal or of different types
* opcode number: 16
*/
echo (1 !== 1);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_NOT_IDENTICAL</td><td > </td><td > </td><td> ~0</td><td> 1,1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_SMALLER>IS_SMALLER</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* compares if value1 is less than value2
* opcode number: 19
*/
echo (1 < 2);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=IS_SMALLER_OR_EQUAL>IS_SMALLER_OR_EQUAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* compares if value1 is less than or equal to value2
* opcode number: 20
*/
echo (1 >= 2);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_SMALLER_OR_EQUAL</td><td > </td><td > </td><td> ~0</td><td> 2,1</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=JMPNZ>JMPNZ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Jump to the address if the value is not zero
* opcode number: 44
*/
for($i=0; $i<3; $i++){
echo "hi";
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$i </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td > </td><td> 1</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~1</td><td> !0,3</td></tr><tr><td > </td><td> 2</td><td> JMPZNZ</td><td > </td><td> 6</td><td > </td><td> ~1,->8</td></tr><tr><td > </td><td> 3</td><td> POST_INC</td><td > </td><td > </td><td> ~2</td><td> !0</td></tr><tr><td > </td><td> 4</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~2</td></tr><tr><td > </td><td> 5</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->1</td></tr><tr><td> 7</td><td> 6</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hi'</td></tr><tr><td> 8</td><td> 7</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->3</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=JMPNZ_EX>JMPNZ_EX</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Jump to the address if the xor of value1 and value2 is zero .. ???
* opcode number: 47
*/
if(1^2) return;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BW_XOR</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~0,->4</td></tr><tr><td > </td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr><tr><td > </td><td> 3</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->4</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=JMPZ>JMPZ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Jump to the address if the value is zero
* opcode number: 43
*/
if($a != 0) echo "foo";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> IS_NOT_EQUAL</td><td > </td><td > </td><td> ~0</td><td> !0,0</td></tr><tr><td > </td><td> 1</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~0,->4</td></tr><tr><td > </td><td> 2</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'foo'</td></tr><tr><td > </td><td> 3</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->4</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=JMPZNZ>JMPZNZ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Jump to the address if the value is .. ???
* opcode number: 45
*/
for($i=0; $i<3; $i++){
echo "hi";
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$i </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td > </td><td> 1</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~1</td><td> !0,3</td></tr><tr><td > </td><td> 2</td><td> JMPZNZ</td><td > </td><td> 6</td><td > </td><td> ~1,->8</td></tr><tr><td > </td><td> 3</td><td> POST_INC</td><td > </td><td > </td><td> ~2</td><td> !0</td></tr><tr><td > </td><td> 4</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~2</td></tr><tr><td > </td><td> 5</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->1</td></tr><tr><td> 7</td><td> 6</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hi'</td></tr><tr><td> 8</td><td> 7</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->3</td></tr><tr><td> 9</td><td> 8</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=JMPZ_EX>JMPZ_EX</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Jump to the address if the xor of value1 and value2 is zero .. ???
* opcode number: 46
*/
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=MOD>MOD</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Makes the value of "result" congruent to "value1" modulo "value2".
* opcode number: 5
*/
echo 6 % 3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> MOD</td><td > </td><td > </td><td> ~0</td><td> 6,3</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=MUL>MUL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Multiplys "value1" by "value2" and stores the result into "result".
* opcode number: 3
*/
echo 2*3;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> MUL</td><td > </td><td > </td><td> ~0</td><td> 2,3</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=NEW>NEW</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Construct an instance of "type" and store the reference to the object into "result".
* opcode number: 68
*/
$obj = new A();
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=NOP>NOP</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* no operation
* opcode number: 0
*/
function A(){};
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>A</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=POST_DEC>POST_DEC</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* decrements variable indicated by value1 by 1 (after performing other operations) and stores in result
* opcode number: 37
*/
$a--;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> POST_DEC</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 1</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=POST_DEC_OBJ>POST_DEC_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 135
*/
$obj = new A();
$obj->num--;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_POST_DEC_OBJ</td><td > </td><td > </td><td> ~5</td><td> !0,'num'</td></tr><tr><td > </td><td> 5</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 8</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=POST_INC>POST_INC</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* increments variable indicated by value1 by 1 (after performing other operations) and stores in result
* opcode number: 36
*/
$a++;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> POST_INC</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 1</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=POST_INC_OBJ>POST_INC_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Increment the property value specified by prop-name and store the original value into result.
* opcode number: 134
*/
$obj = new A();
$obj->num++;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_POST_INC_OBJ</td><td > </td><td > </td><td> ~5</td><td> !0,'num'</td></tr><tr><td > </td><td> 5</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 8</td><td> 6</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=PRE_DEC>PRE_DEC</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* decrements variable indicated by value1 by 1 (before performing other operations) and stores in results
* opcode number: 35
*/
--$a;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> PRE_DEC</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=PRE_DEC_OBJ>PRE_DEC_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 133
*/
$obj = new A();
--$obj->num;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_PRE_DEC_OBJ</td><td > </td><td > </td><td > </td><td> !0,'num'</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=PRE_INC>PRE_INC</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* increments variable indicated by value1 by 1 (before performing other operations) and stores in result
* opcode number: 34
*/
++$a;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> PRE_INC</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=PRE_INC_OBJ>PRE_INC_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
*
* opcode number: 132
*/
$obj = new A();
++$obj->num;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> ZEND_PRE_INC_OBJ</td><td > </td><td > </td><td > </td><td> !0,'num'</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=PRINT>PRINT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
*
* opcode number: 41
*/
print "Hello World";
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> 'Hello+World'</td></tr><tr><td > </td><td> 1</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=QM_ASSIGN>QM_ASSIGN</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=14 cols="130"><?php
/*
* Question Mark Assign, used twice inside a question mark assign to temporarily assign result as value1 (this is followed up with an ASSIGN bytecode)
* opcode number: 22
*/
function A(){
echo 1?2:3;
}
function B(){
$b = 0;
$a = $b > 1 ? 10: 11;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 10</td><td> 1</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 14</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>A</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> 1,->3</td></tr><tr><td > </td><td> 1</td><td> QM_ASSIGN</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->4</td></tr><tr><td > </td><td> 3</td><td> QM_ASSIGN</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 4</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br>Function name: <b>B</b></br>Compiled variables: !0=$b, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 11</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td> 12</td><td> 1</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~1</td><td> 1,!0</td></tr><tr><td > </td><td> 2</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> ~1,->5</td></tr><tr><td > </td><td> 3</td><td> QM_ASSIGN</td><td > </td><td > </td><td> ~2</td><td> 10</td></tr><tr><td > </td><td> 4</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->6</td></tr><tr><td > </td><td> 5</td><td> QM_ASSIGN</td><td > </td><td > </td><td> ~2</td><td> 11</td></tr><tr><td > </td><td> 6</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,~2</td></tr><tr><td> 13</td><td> 7</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=RAISE_ABSTRACT_ERROR>RAISE_ABSTRACT_ERROR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=24 cols="130"><?php
/*
*
* opcode number: 142
*/
abstract class fail {
abstract function show();
}
class pass extends fail {
function show() {
echo "Call to function show()\n";
}
}
$t2 = new pass();
$t2->show();
$t = new fail();
$t->show();
echo "Done\n"; // shouldn't be displayed
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$t2, !1=$t </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 11</td><td> 1</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 2</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 17</td><td> 3</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :3</td><td> 'pass'</td></tr><tr><td > </td><td> 4</td><td> NEW</td><td > </td><td > </td><td> $4</td><td> :3</td></tr><tr><td > </td><td> 5</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 6</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$4</td></tr><tr><td> 18</td><td> 7</td><td> ZEND_INIT_METHOD_CALL</td><td > </td><td > </td><td > </td><td> !0,'show'</td></tr><tr><td > </td><td> 8</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td> 20</td><td> 9</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :9</td><td> 'fail'</td></tr><tr><td > </td><td> 10</td><td> NEW</td><td > </td><td > </td><td> $10</td><td> :9</td></tr><tr><td > </td><td> 11</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 12</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$10</td></tr><tr><td> 21</td><td> 13</td><td> ZEND_INIT_METHOD_CALL</td><td > </td><td > </td><td > </td><td> !1,'show'</td></tr><tr><td > </td><td> 14</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td> 23</td><td> 15</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Done%0A'</td></tr><tr><td> 24</td><td> 16</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>show</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 8</td><td> 0</td><td> ZEND_RAISE_ABSTRACT_ERROR</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br>Function name: <b>show</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 13</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Call+to+function+show%28%29%0A'</td></tr><tr><td> 14</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=RECV>RECV</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Receive a functoin argument of "argument-number" and store the argument value into a variable of "argument-number". (e.g. $1 for 1)
* opcode number: 63
*/
function hello($a){}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>hello</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td > </td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=RECV_INIT>RECV_INIT</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Initialize a function argument with "value" if not received from caller. Otherwise same as RECV.
* opcode number: 64
*/
function hello($a=5){}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>hello</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RECV_INIT</td><td > </td><td > </td><td > </td><td> 1,5</td></tr><tr><td > </td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=RETURN>RETURN</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Return value from a funciton.
* opcode number: 62
*/
return 1;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 7</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SEND_REF>SEND_REF</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Pass the reference value as an actual parameter to a function. DO_FCALL follows.
* opcode number: 67
*/
@each($input);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> BEGIN_SILENCE</td><td > </td><td > </td><td> ~0</td><td > </td></tr><tr><td > </td><td> 1</td><td> FETCH_W</td><td> local</td><td > </td><td> $1</td><td> 'input'</td></tr><tr><td > </td><td> 2</td><td> SEND_REF</td><td > </td><td > </td><td > </td><td> $1</td></tr><tr><td > </td><td> 3</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'each'</td></tr><tr><td > </td><td> 4</td><td> END_SILENCE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SEND_VAL>SEND_VAL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=13 cols="130"><?php
/*
* Pass the constant value as an actual parameter to a function. DO_FCALL follows.
* opcode number: 65
*/
function funcA($msg){
print $msg;
}
funcA('HELLO');
defined('IN_PHPBB');
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 10</td><td> 1</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'HELLO'</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'funca'</td></tr><tr><td> 12</td><td> 3</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'IN_PHPBB'</td></tr><tr><td > </td><td> 4</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'defined'</td></tr><tr><td> 13</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>funcA</b></br>Compiled variables: !0=$msg </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> RECV</td><td > </td><td > </td><td > </td><td> 1</td></tr><tr><td> 7</td><td> 1</td><td> PRINT</td><td > </td><td > </td><td> ~0</td><td> !0</td></tr><tr><td > </td><td> 2</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 8</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=SEND_VAR>SEND_VAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Pass the variable value as an actual parameter to a function. DO_FCALL follows.
* opcode number: 66
*/
$a = array(1,2,3);
if(is_array($a)){ return 0; }
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 5</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'is_array'</td></tr><tr><td > </td><td> 6</td><td> JMPZ</td><td > </td><td > </td><td > </td><td> $2,->9</td></tr><tr><td > </td><td> 7</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 0</td></tr><tr><td > </td><td> 8</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->9</td></tr><tr><td> 8</td><td> 9</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SEND_VAR_NO_REF>SEND_VAR_NO_REF</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 106
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=SL>SL</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Shift value1 by balue2 bits to left
* opcode number: 6
*/
echo 8 << 2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> SL</td><td > </td><td > </td><td> ~0</td><td> 8,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SR>SR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Shift bits to right
* opcode number: 7
*/
echo 8 >> 2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> SR</td><td > </td><td > </td><td> ~0</td><td> 8,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SUB>SUB</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=7 cols="130"><?php
/*
* Subtracts "value2" from "value1" and stores the result into "result".
* opcode number: 2
*/
echo 1-2;
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> SUB</td><td > </td><td > </td><td> ~0</td><td> 1,2</td></tr><tr><td > </td><td> 1</td><td> ECHO</td><td > </td><td > </td><td > </td><td> ~0</td></tr><tr><td> 7</td><td> 2</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=SWITCH_FREE>SWITCH_FREE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=10 cols="130"><?php
/*
* Release the allocated space of "value"?
* opcode number: 49
*/
$a = array(1,2,3);
foreach($a as $num){
print $num;
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a, !1=$num </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> FE_RESET</td><td > </td><td > </td><td> $2</td><td> !0,->11</td></tr><tr><td > </td><td> 5</td><td> FE_FETCH</td><td > </td><td > </td><td> $3</td><td> $2,->11</td></tr><tr><td > </td><td> 6</td><td> ZEND_OP_DATA</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td > </td><td> 7</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,$3</td></tr><tr><td> 8</td><td> 8</td><td> PRINT</td><td > </td><td > </td><td> ~5</td><td> !1</td></tr><tr><td > </td><td> 9</td><td> FREE</td><td > </td><td > </td><td > </td><td> ~5</td></tr><tr><td> 9</td><td> 10</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->5</td></tr><tr><td > </td><td> 11</td><td> SWITCH_FREE</td><td > </td><td > </td><td > </td><td> $2</td></tr><tr><td> 10</td><td> 12</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=THROW>THROW</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=19 cols="130"><?php
/*
*
* opcode number: 108
*/
try {
$error = 'Always throw this error';
throw new Exception($error);
// Code following an exception is not executed.
echo 'Never executed';
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
}
// Continue execution
echo 'Hello World';
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$error, !1=$e </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,'Always+throw+this+error'</td></tr><tr><td> 8</td><td> 1</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :1</td><td> 'Exception'</td></tr><tr><td > </td><td> 2</td><td> NEW</td><td > </td><td > </td><td> $2</td><td> :1</td></tr><tr><td > </td><td> 3</td><td> SEND_VAR</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 4</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 1</td><td > </td><td > </td></tr><tr><td > </td><td> 5</td><td> ZEND_THROW</td><td > </td><td> 0</td><td > </td><td> $2</td></tr><tr><td> 11</td><td> 6</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Never+executed'</td></tr><tr><td> 13</td><td> 7</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->15</td></tr><tr><td > </td><td> 8</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :4</td><td> 'Exception'</td></tr><tr><td > </td><td> 9</td><td> ZEND_CATCH</td><td > </td><td> 15</td><td > </td><td> $4,!1</td></tr><tr><td> 14</td><td> 10</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Caught+exception%3A+'</td></tr><tr><td > </td><td> 11</td><td> ZEND_INIT_METHOD_CALL</td><td > </td><td > </td><td > </td><td> !1,'getMessage'</td></tr><tr><td > </td><td> 12</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 13</td><td> ECHO</td><td > </td><td > </td><td > </td><td> $6</td></tr><tr><td > </td><td> 14</td><td> ECHO</td><td > </td><td > </td><td > </td><td> '%0A'</td></tr><tr><td> 18</td><td> 15</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'Hello+World'</td></tr><tr><td> 19</td><td> 16</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=TICKS>TICKS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=24 cols="130"><?php
/*
*
* opcode number: 105
*/
// A function that records the time when it is called
function profile()
{
echo "profile function is called\n";
}
// Set up a tick handler
register_tick_function("profile");
// Initialize the function before the declare block
profile();
// Run a block of code, throw a tick every 2nd statement
declare(ticks=2) {
for ($x = 0; $x < 10; ++$x) {
echo "hello world\n";
}
}
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 7</td><td> 0</td><td> NOP</td><td > </td><td > </td><td > </td><td > </td></tr><tr><td> 13</td><td> 1</td><td> SEND_VAL</td><td > </td><td > </td><td > </td><td> 'profile'</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL</td><td > </td><td> 1</td><td > </td><td> 'register_tick_function'</td></tr><tr><td> 16</td><td> 3</td><td> DO_FCALL</td><td > </td><td> 0</td><td > </td><td> 'profile'</td></tr><tr><td> 20</td><td> 4</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,0</td></tr><tr><td > </td><td> 5</td><td> IS_SMALLER</td><td > </td><td > </td><td> ~3</td><td> !0,10</td></tr><tr><td > </td><td> 6</td><td> JMPZNZ</td><td > </td><td> 9</td><td > </td><td> ~3,->13</td></tr><tr><td > </td><td> 7</td><td> PRE_INC</td><td > </td><td > </td><td > </td><td> !0</td></tr><tr><td > </td><td> 8</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->5</td></tr><tr><td> 21</td><td> 9</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'hello+world%0A'</td></tr><tr><td > </td><td> 10</td><td> TICKS</td><td > </td><td > </td><td > </td><td> 2</td></tr><tr><td> 22</td><td> 11</td><td> TICKS</td><td > </td><td > </td><td > </td><td> 2</td></tr><tr><td > </td><td> 12</td><td> JMP</td><td > </td><td > </td><td > </td><td> ->7</td></tr><tr><td > </td><td> 13</td><td> TICKS</td><td > </td><td > </td><td > </td><td> 2</td></tr><tr><td> 23</td><td> 14</td><td> TICKS</td><td > </td><td > </td><td > </td><td> 2</td></tr><tr><td> 24</td><td> 15</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br>Function name: <b>profile</b></br>Compiled variables: none </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 9</td><td> 0</td><td> ECHO</td><td > </td><td > </td><td > </td><td> 'profile+function+is+called%0A'</td></tr><tr><td> 10</td><td> 1</td><td> RETURN</td><td > </td><td > </td><td > </td><td> null</td></tr></table></br><h2>OPCODE :<a name=UNSET_DIM>UNSET_DIM</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Unset the entry of array-value, which is specified by index, and store the original element value into "result".
* opcode number: 75
*/
$a = array(1,2,3);
unset($a[0]);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> INIT_ARRAY</td><td > </td><td > </td><td> ~0</td><td> 1</td></tr><tr><td > </td><td> 1</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 2</td></tr><tr><td > </td><td> 2</td><td> ADD_ARRAY_ELEMENT</td><td > </td><td > </td><td> ~0</td><td> 3</td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,~0</td></tr><tr><td> 7</td><td> 4</td><td> UNSET_DIM</td><td > </td><td > </td><td> $2</td><td> !0,0</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=UNSET_OBJ>UNSET_OBJ</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=8 cols="130"><?php
/*
* Unset the property of the current object (this) and store the original value into "result".
* opcode number: 76
*/
$obj = new A();
unset($obj->num);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$obj </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ZEND_FETCH_CLASS</td><td > </td><td > </td><td> :0</td><td> 'A'</td></tr><tr><td > </td><td> 1</td><td> NEW</td><td > </td><td > </td><td> $1</td><td> :0</td></tr><tr><td > </td><td> 2</td><td> DO_FCALL_BY_NAME</td><td > </td><td> 0</td><td > </td><td > </td></tr><tr><td > </td><td> 3</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,$1</td></tr><tr><td> 7</td><td> 4</td><td> UNSET_OBJ</td><td > </td><td > </td><td> $4</td><td> !0,'num'</td></tr><tr><td> 8</td><td> 5</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=UNSET_VAR>UNSET_VAR</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=9 cols="130"><?php
/*
* Unset the variable and store the original value into "result".
* opcode number: 74
*/
$x = 1;
$a='x';
unset($$a);
?></textarea></br><h3> PHP opcodes </h3>Function name: <b>(null)</b></br>Compiled variables: !0=$x, !1=$a </br><table width="80%" border=1 ><tr><td bgcolor=#9966FF> line</td><td bgcolor=#9966FF> #</td><td bgcolor=#9966FF> op</td><td bgcolor=#9966FF> fetch</td><td bgcolor=#9966FF> ext</td><td bgcolor=#9966FF> return</td><td bgcolor=#9966FF> operands</td></tr><tr><td> 6</td><td> 0</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !0,1</td></tr><tr><td> 7</td><td> 1</td><td> ASSIGN</td><td > </td><td > </td><td > </td><td> !1,'x'</td></tr><tr><td> 8</td><td> 2</td><td> UNSET_VAR</td><td > </td><td > </td><td> $2</td><td> !1</td></tr><tr><td> 9</td><td> 3</td><td> RETURN</td><td > </td><td > </td><td > </td><td> 1</td></tr></table></br><h2>OPCODE :<a name=USER_OPCODE>USER_OPCODE</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 150
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3><h2>OPCODE :<a name=VERIFY_ABSTRACT_CLASS>VERIFY_ABSTRACT_CLASS</a></h2><h3> PHP source code </h3><textarea style="background-color: #FFFF66" rows=6 cols="130"><?php
/*
*
* opcode number: 146
* No sample PHP yet */
?></textarea></br><h3> PHP opcodes </h3></body>
</html>