3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); function byref_function(&$a, &$b) { } $array = [1, 2]; $a = 1; $b = 2; byref_function(...$array); call_user_func_array('byref_function', $array); byref_function($a, $b);
Output for 7.0.0 - 7.1.0
Output for 5.6.7 - 5.6.28
Warning: Parameter 1 to byref_function() expected to be a reference, value given in /in/oX5fb on line 14
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.' in /in/oX5fb on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/oX5fb on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/oX5fb on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/oX5fb on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oX5fb on line 9
Process exited with code 255.