3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0, $t = -microtime(TRUE); $i < 10000; $i++) { $foo = create_function('stdClass $a, $b = 1', ''); } echo $t + microtime(TRUE), PHP_EOL; for ($i = 0, $t = -microtime(TRUE); $i < 10000; $i++) { $foo = NULL; eval('$foo = function (stdClass $a, $b = 1) {};'); } echo $t + microtime(TRUE);

preferences:
30.43 ms | 402 KiB | 5 Q