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run code in 200+ php & hhvm versions
Bugs & Features
<?php $result = array_reduce(array(), function ($carry, $item) { return $carry . $item; }); var_dump($result);
based on klTjh
Output for 5.3.0 - 7.2.0
NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/qDdit on line 2
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/qDdit on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qDdit on line 2
Process exited with code 255.