3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $v1=12; function fun() { $class=$this; return function() use ($class) { var_dump($class); } } } $o=new A; $c = $o->fun(); $c();

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)
7.0.20.0400.07720.19
7.0.10.0000.09320.06
7.0.00.0170.07720.23
5.6.160.0030.04320.55
5.6.150.0070.08318.23
5.6.140.0200.06718.16
5.6.130.0030.05718.28
5.6.120.0200.07021.16
5.6.110.0000.04321.05
5.6.100.0100.07721.02
5.6.90.0170.05321.01
5.6.80.0100.06720.52
5.5.300.0130.07317.98
5.5.290.0030.07317.97
5.5.280.0070.08020.89
5.5.270.0070.07720.74
5.5.260.0100.07320.64
5.5.250.0070.08720.59
5.5.240.0300.06320.24

preferences:
151.21 ms | 1386 KiB | 7 Q