3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("#\x{00a0}#siu", 'PR''OVAAA'. chr(0)));

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)
7.0.10.0100.07720.15
7.0.00.0070.07020.07
5.6.160.0030.06720.55
5.6.150.0070.08318.30
5.6.140.0070.08318.11
5.6.130.0070.04018.19
5.6.120.0130.05321.09
5.6.110.0130.07721.00
5.6.100.0130.07721.03
5.6.90.0100.04720.98
5.6.80.0030.04020.53
5.5.300.0130.06017.98
5.5.290.0130.07718.04
5.5.280.0030.08720.65
5.5.270.0100.06720.96
5.5.260.0130.07320.86
5.5.250.0130.05720.66
5.5.240.0130.06320.16

preferences:
138.13 ms | 1398 KiB | 7 Q