3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I {} function foo() { return new class { public static function foo() { return new class extends self {}; } }; } var_dump(foo()::foo()::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)
7.0.00.0130.08020.16
5.6.160.0000.06320.39
5.6.150.0100.08018.29
5.6.140.0100.03718.21
5.6.130.0030.08718.15
5.6.120.0070.04021.04
5.6.110.0130.07721.08
5.6.100.0130.07720.89
5.6.90.0130.05720.97
5.6.80.0130.07320.38
5.5.300.0170.07318.00
5.5.290.0030.07717.92
5.5.280.0030.05320.80
5.5.270.0130.08020.96
5.5.260.0100.08020.87
5.5.250.0130.06320.62
5.5.240.0200.06020.12

preferences:
139.47 ms | 1394 KiB | 7 Q