3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = ' <?php session_start(); $test = "test"; $_SESSION["test"] = $test; header("Refresh: 0;url=/"); ?> ";

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)
7.0.10.0030.04320.20
7.0.00.0130.08020.30
5.6.160.0070.08320.46
5.6.150.0000.04318.29
5.6.140.0070.04018.15
5.6.130.0100.06718.15
5.6.120.0130.07721.02
5.6.110.0230.07320.88
5.6.100.0100.06021.13
5.6.90.0070.05321.10
5.6.80.0130.07020.43
5.5.300.0030.07717.98
5.5.290.0000.04317.97
5.5.280.0100.05020.80
5.5.270.0000.05320.76
5.5.260.0000.07320.96
5.5.250.0100.08020.54
5.5.240.0070.08020.03

preferences:
133.66 ms | 1394 KiB | 7 Q