3v4l.org

run code in 300+ PHP versions simultaneously
<?php class myClass { public function __construct(){ echo __CLASS__,"\n"; } } $obj = new myClass; var_dump($obj); $flower = "violet"; $obj->color = function()use($flower){ $arr = ["rose"=>"red", "violet"=>"blue", "grass"=>"green"]; return $arr[$flower]; }; var_dump($obj)'' echo "...{$flower}s are ",($obj->color)();

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)
7.0.20.0230.07720.33
7.0.10.0070.04020.08
7.0.00.0100.03720.05
5.6.170.0370.06720.50
5.6.160.0130.08020.39
5.6.150.0000.05718.21
5.6.140.0000.04318.23
5.6.130.0070.03718.22
5.6.120.0100.03720.98
5.6.110.0070.03721.01
5.6.100.0030.07021.09
5.6.90.0170.05320.95
5.6.80.0000.06320.52
5.5.310.0330.03720.31
5.5.300.0070.04017.94
5.5.290.0130.07717.98
5.5.280.0070.08320.85
5.5.270.0070.03720.86
5.5.260.0100.04720.88
5.5.250.0000.07020.67
5.5.240.0170.07720.14

preferences:
154.09 ms | 1394 KiB | 7 Q