3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo {} define('bar', 'foo'); $bar = 'foo'; $foo = new (bar); var_dump($foo);

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)
7.0.10.0030.08720.08
7.0.00.0100.06720.08
5.6.160.0030.05020.54
5.6.150.0130.06018.23
5.6.140.0100.08318.18
5.6.130.0000.04718.15
5.6.120.0130.07721.01
5.6.110.0030.08721.14
5.6.100.0030.06320.88
5.6.90.0100.06021.10
5.6.80.0100.08020.50
5.5.300.0100.05717.96
5.5.290.0030.08717.98
5.5.280.0100.06320.96
5.5.270.0030.05320.76
5.5.260.0170.08320.72
5.5.250.0100.07020.46
5.5.240.0170.03720.19

preferences:
27.43 ms | 400 KiB | 5 Q