improve reflection

break/break.php

@@ -48,5 +48,13 @@ function tryBreak(array $items)
             'name' => 'apple',
             'break' => true
         ]
+    ],
+    [
+        'name' => 'jean saisdavantage',
+        'break' => false,
+        'fruit' => [
+            'name' => 'apple',
+            'break' => true
+        ]
     ]
 ]);

empty_vs_isset_vs_boolval/empty_vs_isset_vs_boolval.php

@@ -0,0 +1,29 @@
+<?php
+
+$fruits = [
+    'apple' => 3,
+    'pear' => [],
+    'cherry' => null
+];
+
+function compare(array $items, string $key)
+{
+    @$results = [
+        'empty()' => empty($items[$key]),
+        'isset() && boolval()' => isset($items[$key]) && boolval($items[$key]),
+        'isset()' => isset($items[$key]),
+        'boolval()' => boolval($items[$key]),
+        "null === $key" => null === $items[$key]
+    ];
+
+    echo "\n$key:\n";
+
+    foreach ($results as $key => $value) {
+        echo "  $key: ".var_export($value, true)."\n";
+    }
+}
+
+compare($fruits, 'hello');
+compare($fruits, 'apple');
+compare($fruits, 'pear');
+compare($fruits, 'cherry');

reflection/ReflectionTrait/ReflectionTrait.php

@@ -0,0 +1,44 @@
+<?php
+
+trait ReflectionTrait
+{
+    /**
+     * Call a private method of an object.
+     *
+     * @param mixed $arguments
+     *
+     * @return mixed
+     */
+    protected function callPrivateMethod(object $object, string $method, ...$arguments)
+    {
+        $reflectionMethod = new \ReflectionMethod($object, $method);
+        $reflectionMethod->setAccessible(true);
+
+        return $reflectionMethod->invokeArgs($object, $arguments);
+    }
+
+    /**
+     * Set a private property.
+     *
+     * @param mixed $value
+     */
+    protected function setPrivateProperty(object $object, string $property, $value): void
+    {
+        $reflectionProperty = new \ReflectionProperty($object, $property);
+        $reflectionProperty->setAccessible(true);
+        $reflectionProperty->setValue($object, $value);
+    }
+
+    /**
+     * Get a private property.
+     *
+     * @return mixed
+     */
+    protected function getPrivateProperty(object $object, string $property)
+    {
+        $reflectionProperty = new \ReflectionProperty($object, $property);
+        $reflectionProperty->setAccessible(true);
+
+        return $reflectionProperty->getValue($object);
+    }
+}

regex/testRegex.php

@@ -11,4 +11,13 @@ function testRegex(string $regex, array $testValues)
         $result = preg_match($regex, $testValue) ? "Correct" : "Wrong";
         echo "$result: $testValue\n";
     }
-}
+}
+
+testRegex(
+    '#^http://.+\.local#',
+    [
+        'http://2cloud.local',
+        'http://2cloud.zog.local',
+        'http://2cloud.app'
+    ]
+);