3v4l.org

run code in 300+ PHP versions simultaneously
<?php $password = 'hello'; $hashed = md5($password); var_dump('Hash to match: ' . $hashed); class HashCracker { private $range; private $length = 32; private $cycles = 1000; public function __construct() { $this->range = range('0', 'z'); } public function runBenchmark() { die(var_dump($this->range)); } } (new HashCracker())->runBenchmark();

preferences:
35.86 ms | 402 KiB | 5 Q