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run code in 150+ php & hhvm versions
Bugs & Features
<?php $old = array( array( 'id' => 2, 'label' => 'MTD-589' ), array( 'id' => 3, 'label' => 'MTD-789' ), ); $new = array_map(function($a){ return array($a['id']=>$a['label']); },$old); print_r($new);
Output for 5.3.0 - 7.1.0
Array ( [0] => Array ( [2] => MTD-589 ) [1] => Array ( [3] => MTD-789 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/N8LBh 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/N8LBh on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/N8LBh on line 14
Process exited with code 255.