3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($x) { var_dump($x); var_dump($x()); return $x === $x(); } var_dump(foo(call_user_func(function(){});));

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)
7.2.20.0070.01719.70
7.2.10.0080.01519.68
7.2.00.0040.01319.59
7.1.140.0100.01118.46
7.1.130.0120.01118.37
7.1.120.0100.01218.53
7.1.110.0100.01017.88
7.1.100.0050.01617.71
7.1.90.0080.00817.93
7.1.80.0070.00917.71
7.1.70.0110.00917.09
7.1.60.0250.02034.96
7.1.50.0320.01334.73
7.1.40.0310.01534.45
7.1.30.0330.01634.51
7.1.20.0270.02134.36
7.1.10.0080.01416.28
7.1.00.0060.01116.50

preferences:
139.01 ms | 1394 KiB | 7 Q