3v4l.org

run code in 300+ PHP versions simultaneously
<?php ${null} = [1]; ${0} = 2; var_dump(${false}, ${''}, ${false}${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)
7.0.20.0300.05020.16
7.0.10.0070.08720.19
7.0.00.0070.04320.23
5.6.170.0270.04320.47
5.6.160.0100.06720.46
5.6.150.0130.06018.18
5.6.140.0070.04718.23
5.6.130.0100.06718.21
5.6.120.0070.05721.05
5.6.110.0000.04720.99
5.6.100.0100.03720.99
5.6.90.0070.05720.98
5.6.80.0030.04020.38
5.5.310.0270.03720.27
5.5.300.0070.07017.97
5.5.290.0030.04017.99
5.5.280.0100.05720.80
5.5.270.0070.06320.72
5.5.260.0100.07320.64
5.5.250.0070.08720.66
5.5.240.3700.03720.32

preferences:
139.83 ms | 1394 KiB | 7 Q