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run code in 200+ php & hhvm versions
Bugs & Features
<?php $months = range(1, 12); $months = array_map(function ($element) { return str_pad($element, 2, 0, STR_PAD_LEFT); }, $months); $months = array_combine($months, $months); var_dump($months);
based on RD0cH
Output for 5.3.0 - 7.2.0
array(12) { ["01"]=> string(2) "01" ["02"]=> string(2) "02" ["03"]=> string(2) "03" ["04"]=> string(2) "04" ["05"]=> string(2) "05" ["06"]=> string(2) "06" ["07"]=> string(2) "07" ["08"]=> string(2) "08" ["09"]=> string(2) "09" [10]=> string(2) "10" [11]=> string(2) "11" [12]=> string(2) "12" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/QiPBL on line 4
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/QiPBL on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/QiPBL on line 4
Process exited with code 255.