3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { const TEST = 'foo'; } namespace bar { const TEST = 'bar'; } var_dump(foo\TEST); var_dump(bar\TEST);

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)
7.0.10.0070.04320.17
7.0.00.0000.05020.30
5.6.160.0130.07720.32
5.6.150.0030.09018.12
5.6.140.0030.04318.22
5.6.130.0030.08318.23
5.6.120.0030.04020.98
5.6.110.0000.09321.00
5.6.100.0070.08321.00
5.6.90.0070.06021.13
5.6.80.0100.05020.36
5.5.300.0030.04017.96
5.5.290.0070.07317.95
5.5.280.0070.08720.87
5.5.270.0100.04720.86
5.5.260.0170.07320.86
5.5.250.0070.05020.54
5.5.240.0130.08020.34

preferences:
140.42 ms | 1394 KiB | 7 Q