3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $old = array( array( 'id' => 4, 'label' => 'foo' ), array( 'id' => 6, 'label' => 'baz' ), ); $new = array_map(function($a){ return array($a['id']=>$a['label']); },$old); print_r($new);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [4] => foo ) [1] => Array ( [6] => baz ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/sHhJi on line 14
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, expecting ')' in /in/sHhJi on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/sHhJi on line 14
Process exited with code 255.