3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace N { define('false', '- false -'); define('FALSE', '- FALSE -'); define('null', '- null -'); define('NULL', '- NULL -'); var_export(array(TRUE, true, FALSE, false, NULL, null)); }; define('false', '- false -'); define('FALSE', '- FALSE -'); define('null', '- null -'); define('NULL', '- NULL -'); var_export(array(TRUE, true, FALSE, false, NULL, null));

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)
7.0.10.0100.05020.20
7.0.00.0030.04320.16
5.6.160.0100.06320.53
5.6.150.0070.08018.12
5.6.140.0100.06318.20
5.6.130.0130.03718.27
5.6.120.0030.07021.02
5.6.110.0000.09321.01
5.6.100.0030.09021.11
5.6.90.0200.04721.10
5.6.80.0070.08020.25
5.5.300.0070.08017.89
5.5.290.0170.05317.98
5.5.280.0070.08320.88
5.5.270.0070.08020.86
5.5.260.0070.08320.80
5.5.250.0130.07320.70
5.5.240.0230.07020.16

preferences:
140.77 ms | 1398 KiB | 7 Q