3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X{ function test(){ return new class(){ private function __construct(){} } } } $x = new X; var_dump($c = $x->test()); $class = get_class($c); new $class;

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)
5.6.150.0030.07718.25
5.6.140.0130.03018.18
5.6.130.0030.06318.14
5.6.120.0070.04320.97
5.6.110.0000.04321.08
5.6.100.0100.06320.98
5.6.90.0070.08721.00
5.6.80.0100.03720.39
5.5.300.0030.03718.02
5.5.290.0000.04318.10
5.5.280.0100.08020.75
5.5.270.0100.03720.68
5.5.260.0000.04720.76
5.5.250.0130.05320.62
5.5.240.0130.08320.13

preferences:
144.24 ms | 939 KiB | 8 Q