3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(strpos("this is string","ring"))

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)
7.0.200.0240.00314.47

preferences:
140.17 ms | 1386 KiB | 7 Q