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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('1', '1a', '2a', '3', '4a'); $array2 = array_map($array, function($val) { return strpos($val, 'a') ? $val : null; }); var_dump($array2);
Output for 5.3.0 - 7.1.0
Warning: array_map() expects parameter 1 to be a valid callback, array must have exactly two members in /in/PBo2S on line 5 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/PBo2S 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/PBo2S on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/PBo2S on line 5
Process exited with code 255.