3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private static $test; public static function hasTest() { return !!static::$test; } public static function setTest($test) { static::$test = $test; } } class FooExtension extend Foo { } class_alias('FooExtension', 'FooAlias'); FooExtension::setTest('derp'); var_dump(FooAlias::hasTest());

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)
7.0.10.0030.04320.30
7.0.00.0030.05720.22
5.6.160.0070.06720.45
5.6.150.0070.08018.29
5.6.140.0170.03018.18
5.6.130.0100.08018.29
5.6.120.0030.08721.14
5.6.110.0130.07720.89
5.6.100.0070.04021.02
5.6.90.0130.06720.97
5.6.80.0070.07720.43
5.5.300.0070.03317.99
5.5.290.0070.05318.01
5.5.280.0030.08320.96
5.5.270.0100.03720.85
5.5.260.0130.07320.94
5.5.250.0070.08320.76
5.5.240.0100.08020.34

preferences:
131.44 ms | 1398 KiB | 7 Q