3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace X { namespace Y { namespace Z {} } }

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)
5.6.150.0070.08018.15
5.6.140.0070.05318.19
5.6.130.0100.07718.09
5.6.120.0070.08320.97
5.6.110.0170.06721.11
5.6.100.0100.03320.88
5.6.90.0070.08320.98
5.6.80.0130.07720.53
5.5.300.0100.08017.93
5.5.290.0130.06717.92
5.5.280.0070.07720.96
5.5.270.0070.09020.75
5.5.260.0070.08720.88
5.5.250.0070.05720.77
5.5.240.3900.04020.34

preferences:
132.74 ms | 1446 KiB | 7 Q