3v4l.org

run code in 500+ PHP versions simultaneously
<?php switch ($four) { ; // only one valid //; Uncomment for a parse error case 4: echo 'four'; break; default; echo 'not four'; }

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)
8.3.180.0050.00318.60
8.3.50.0050.00418.61
preferences:
59.8 ms | 488 KiB | 5 Q