3v4l.org

run code in 300+ PHP versions simultaneously
<?php // An example callback function function my_callback_function() { echo 'hello world!'; } // An example callback method class MyClass { static function myCallbackMethod() { echo 'Hello World!'; } } // Type 1: Simple callback call_user_func('my_callback_function'); // Type 2: Static class method call call_user_func(array('MyClass', 'myCallbackMethod')); // Type 3: Object method call $obj = new MyClass(); call_user_func(array($obj, 'myCallbackMethod')); // Type 4: Static class method call (As of PHP 5.2.3) call_user_func('MyClass::myCallbackMethod'); // Type 5: Relative static class method call (As of PHP 5.3.0) class A { public static function who() { echo "A\n"; } } class B extends A { public static function who() { echo "B\n"; } } call_user_func(array('B', 'parent::who')); // A ?>
Output for git.master, git.master_jit, rfc.property-hooks
hello world!Hello World!Hello World!Hello World! Deprecated: Callables of the form ["B", "parent::who"] are deprecated in /in/aI0bO on line 41 A

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
40.78 ms | 401 KiB | 8 Q