run code in 200+ php & hhvm versions
Bugs & Features
<?php $d30= strtotime("2017-06-30"); Echo $d30 ."\n"; Echo date("Y-m-d", $d30)."\n\n"; $d31= strtotime("2017-06-31"); Echo $d31 ."\n"; Echo date("Y-m-d", $d31)."\n\n"; $d32= strtotime("2017-06-32"); Echo $d32 ."\n"; Echo date("Y-m-d", $d32)."\n\n";
based on iA2hF

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)