3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = strpos(utm_source=yandex&utm_medium=cpc, source); var_dump($start);

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)
7.0.20.0230.07020.16
7.0.10.0170.07720.32
7.0.00.0070.09020.22
5.6.170.0270.08720.48
5.6.160.0100.05020.46
5.6.150.0030.03718.15
5.6.140.0100.07718.18
5.6.130.0100.08318.15
5.6.120.0070.07721.08
5.6.110.0100.03720.98
5.6.100.0100.08320.96
5.6.90.0030.04020.96
5.6.80.0100.03320.52
5.5.310.0230.05320.26
5.5.300.0070.08018.07
5.5.290.0130.07318.08
5.5.280.0070.07020.63
5.5.270.0200.06720.82
5.5.260.0030.08020.66
5.5.250.0030.07720.65
5.5.240.0200.04020.16

preferences:
141.33 ms | 1394 KiB | 7 Q