3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo {} class Bar {} class Qux implements Foo {} $bars = [new Bar(), new Bar()]; $quxs = [new Qux(), new Qux()]; usort($bars, function(Foo $a, Foo $b) { return 0; }) var_dump($bars);

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)
7.0.10.0030.08720.06
7.0.00.0070.05720.19
5.6.160.0100.07720.57
5.6.150.0100.04718.22
5.6.140.0030.04018.23
5.6.130.0030.06718.21
5.6.120.0100.04721.00
5.6.110.0070.04721.02
5.6.100.0130.06721.00
5.6.90.0070.07320.88
5.6.80.0130.07320.45
5.5.300.0070.08018.08
5.5.290.0030.06317.98
5.5.280.0100.08020.90
5.5.270.0030.08320.97
5.5.260.0070.06020.90
5.5.250.0130.08320.50
5.5.240.0070.08720.24

preferences:
140.67 ms | 1394 KiB | 7 Q