3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); function byref_function(&$a, &$b) { $a = 3; $b = 4; } $array = array(1, 2); call_user_func_array('byref_function', $array); var_dump($array);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: byref_function(): Argument #1 ($a) must be passed by reference, value given in /in/5I1N0 on line 11 Warning: byref_function(): Argument #2 ($b) must be passed by reference, value given in /in/5I1N0 on line 11 array(2) { [0]=> int(1) [1]=> int(2) }

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:
43.09 ms | 401 KiB | 8 Q