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) { return $x ^= $v; });
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
]8
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/tZ9uB on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/tZ9uB</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/tZ9uB</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/tZ9uB</b> on line <b>4</b><br />
Process exited with code 255.