3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar extends PDO { public function baz() { parent::baz(); } } class PDO { public function baz() { echo __METHOD__; } } namespace Foo { class FooBar exnteds Bar { } } $bar = new Foo\Bar(); $bar->baz();

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)
7.0.20.0400.07720.10
7.0.10.0130.08320.20
7.0.00.0070.04020.23
5.6.170.0430.04720.39
5.6.160.0070.08320.44
5.6.150.0030.08318.22
5.6.140.0100.07718.29
5.6.130.0070.08718.24
5.6.120.0070.04021.17
5.6.110.0130.07721.13
5.6.100.0070.05721.01
5.6.90.0170.07321.05
5.6.80.0070.04320.51
5.5.310.0270.04720.38
5.5.300.0030.04017.95
5.5.290.0000.08717.98
5.5.280.0130.08020.86
5.5.270.0100.05020.81
5.5.260.0030.04020.75
5.5.250.0070.05020.71
5.5.240.0270.06720.14

preferences:
140.73 ms | 1394 KiB | 7 Q