run code in 200+ php & hhvm versions
Bugs & Features
<?php $data = array( 'naam' = '0', 'anaam' = 0, 'vnaam' = 'hellow ); function is_zero($var) { echo ' executeing --_'; return (($var != '0')); } print_r(array_filter($data, 'is_zero'));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).
Note: hhvm uses a JIT which only kicks in after a few runs. Since we run scripts only once, hhvm always runs slower.

VersionSystem time (s)User time (s)Memory (MiB)