3v4l.org

run code in 300+ PHP versions simultaneously
<?php return bin2hex(strrev(base64_encode(3d3d516343746d4d6d6c315669563362))

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)
7.0.20.0330.08320.07
7.0.10.0070.09020.16
7.0.00.0030.07320.10
5.6.170.0230.06020.55
5.6.160.0030.07020.57
5.6.150.0030.09018.16
5.6.140.0030.07718.17
5.6.130.0070.07318.19
5.6.120.0030.05021.09
5.6.110.0130.08320.89
5.6.100.0100.08020.97
5.6.90.0100.08020.96
5.6.80.0070.03720.52
5.5.310.0270.04020.23
5.5.300.0070.05317.95
5.5.290.0070.08017.92
5.5.280.0100.08020.98
5.5.270.0100.08020.81
5.5.260.0130.08320.86
5.5.250.0000.09320.61
5.5.240.0200.05020.25

preferences:
143.47 ms | 1398 KiB | 8 Q