3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump( abs( PHP_INT_MIN ) ); var_dump( abs( PHP_INT_MIN + 1 ) );

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).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.90.0110.00716.80

preferences:
49.44 ms | 480 KiB | 5 Q