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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('key' => 'value'); array_map(function($k, $v){var_dump($k, $v);}, array_keys($arr), $arr);
based on i5kEi
Output for 5.3.0 - 7.1.0
string(3) "key" string(5) "value"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/DKISg on line 3
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/DKISg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/DKISg on line 3
Process exited with code 255.