3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass; $obj->fn = function($arg) { return "Hello $arg"; }; echo ($obj->fn)('World'); class Bla { public $fn; public $fn2 = $f; } $bla = new Bla; $bla->fn = function($arg="Bu"){return "Hello lo $arg"; }; // can't do in class! echo ($bla->fn)('Wa'); $blah = new Bla(function(){ return "F!";}); echo ($bla->fn2)();

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)
7.0.20.0300.08020.08
7.0.10.0070.08320.28
7.0.00.0030.04320.08
5.6.170.0300.03020.55
5.6.160.0130.05020.45
5.6.150.0170.06718.19
5.6.140.0070.04018.21
5.6.130.0100.06718.20
5.6.120.0100.08020.98
5.6.110.0100.06721.14
5.6.100.0070.08021.04
5.6.90.0030.05321.08
5.6.80.0130.07020.36
5.5.310.0270.05720.35
5.5.300.0070.06017.95
5.5.290.0130.07317.97
5.5.280.0030.04020.88
5.5.270.0100.08720.80
5.5.260.0130.07020.97
5.5.250.0230.07020.59
5.5.240.2870.03020.07

preferences:
137.22 ms | 1394 KiB | 7 Q