3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { public function __call($x) { echo $x; } } var_dump(method_exists('X', 'xxx')); var_dump(is_callable(array(new X, 'xxx')));

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)
7.0.10.0100.05720.29
7.0.00.0070.04720.20
5.6.160.0070.08720.54
5.6.150.0000.04318.20
5.6.140.0100.06318.23
5.6.130.0100.07718.19
5.6.120.0100.05321.00
5.6.110.0030.05021.14
5.6.100.0030.07721.11
5.6.90.0100.06721.04
5.6.80.0070.08320.44
5.5.300.0170.06317.94
5.5.290.0070.04017.98
5.5.280.0100.07320.66
5.5.270.0100.04720.88
5.5.260.0070.03720.61
5.5.250.0200.07020.56
5.5.240.0200.07020.16

preferences:
136.3 ms | 1394 KiB | 7 Q