3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function foo(string $bar = 1) { var_dump($bar); } foo('bar'); foo(); foo(null); foo(1);

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)
7.0.10.0070.05320.21
7.0.00.0130.05020.13
5.6.160.0130.05320.57
5.6.150.0130.02718.14
5.6.140.0130.07318.28
5.6.130.0030.05018.26
5.6.120.0100.05721.01
5.6.110.0170.07320.98
5.6.100.0200.07021.02
5.6.90.0070.06720.97
5.6.80.0130.07720.43
5.5.300.0130.07717.95
5.5.290.0100.07718.06
5.5.280.0000.04320.86
5.5.270.0000.04320.87
5.5.260.0130.07320.95
5.5.250.0030.04720.69
5.5.240.0100.06320.24

preferences:
128.52 ms | 1394 KiB | 7 Q