run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump((object) ['test' => 'values']); $object = new stdClass(); $object->test = 'values'; var_dump((array) $object);
based on lH6h7

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)