3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public static function bar($x,$y){ return $x*$y; } } $s = microtime(true); $met = 'bar'; for($x = 0; $x < 100000; $x++ ){ call_user_func(array('foo', $met), 10,20); } echo round(microtime(true) - $s,5)."\n"; $s = microtime(true); $met = 'bar'; for($x = 0; $x < 100000; $x++ ){ foo::{$met}(10,20); } echo round(microtime(true) - $s,5)."\n";

preferences:
31.1 ms | 402 KiB | 5 Q