3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('f' => 0, 'fab' => 1, 'fa' => 2); uksort($a, function($a, $b) { $lenA = strlen($a); $lenB = strlen($b); if ($lenA < $lenB) { return 1; } else if ($lenA === $lenB) { return 0; } else if ($lenA > $lenB) { return -1; } }); var_dump($a);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["fab"]=> int(1) ["fa"]=> int(2) ["f"]=> int(0) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/k8KHB on line 5
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/k8KHB on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/k8KHB on line 5
Process exited with code 255.