3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
]<?php $arr = array(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8); echo array_reduce($arr, function($x, $v) { $x ^= $v; return $x; });
Output for 5.3.0 - 7.1.0
]8
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/adoqM on line 4
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 T_FUNCTION in /in/adoqM on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/adoqM on line 4
Process exited with code 255.