Merge pull request syyongx#6 from dreamans/master

fix fn "IsNumeric" can not judge whether it is an int

Author: syyongx

php.go

@@ -1621,6 +1621,7 @@ func Empty(val interface{}) bool {
 func IsNumeric(val interface{}) bool {
 	switch val.(type) {
 	case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
+                return true
 	case float32, float64, complex64, complex128:
 		return true
 	case string:

php_test.go

@@ -294,7 +294,12 @@ func TestVariable(t *testing.T) {
 	equal(t, false, Empty([1]string{}))
 	equal(t, true, Empty([]int{}))
 
-	tIsNumeric := IsNumeric("-0xaF")
+        var tIsNumeric bool
+
+	tIsNumeric = IsNumeric("-0xaF")
+	equal(t, true, tIsNumeric)
+
+	tIsNumeric = IsNumeric("123456")
 	equal(t, true, tIsNumeric)
 }