3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($v) { return $v + 1; } $foo = function ($v) { return $v + 1; }; $a = range(0,100000); $t = microtime(1); array_map('foo', $a); $t = microtime(1) - $t; var_dump($t); $a = range(0,100000); $t = microtime(1); array_map($foo, $a); $t = microtime(1) - $t; var_dump($t);

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30.74 ms | 402 KiB | 5 Q