3v4l.org

run code in 300+ PHP versions simultaneously
<?php in = md5('240610708'); out = md5('QNKCDZO'); var_dump(in == out); var_dump(1 === '1'); var_dump(md5('240610708')); var_dump(md5('QNKCDZO'));

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)
7.0.10.0070.05720.15
7.0.00.0030.05720.06
5.6.160.0170.07320.50
5.6.150.0000.04318.29
5.6.140.0070.05018.26
5.6.130.0070.03718.18
5.6.120.0200.07020.96
5.6.110.0070.06721.13
5.6.100.0130.07321.08
5.6.90.0030.08720.92
5.6.80.0070.03720.52
5.5.300.0130.04717.95
5.5.290.0100.09017.97
5.5.280.0030.08020.84
5.5.270.0130.08020.79
5.5.260.0100.07020.75
5.5.250.0070.08720.57
5.5.240.0130.05720.10

preferences:
141.17 ms | 1394 KiB | 7 Q