3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 1324; var_dump(count($i))

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)
5.6.160.0100.05720.42
5.6.150.0100.06718.17
5.6.140.0000.07318.13
5.6.130.0170.07018.21
5.6.120.0070.07721.09
5.6.110.0130.06721.01
5.6.100.0170.05720.98
5.6.90.0030.05320.97
5.6.80.0130.04320.37
5.5.300.0000.04318.03
5.5.290.0070.05318.00
5.5.280.0100.08320.68
5.5.270.0000.06020.79
5.5.260.0070.05720.95
5.5.250.0200.07020.61
5.5.240.0230.06720.12

preferences:
126.34 ms | 1398 KiB | 7 Q