Online PHP editor | refs for 58hZB

<?php $time = microtime(true); $data = md5(substr(str_shuffle('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'), 0, rand(1,10))); $keyhash = md5('secret key'); $ivsize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($ivsize, MCRYPT_DEV_URANDOM); $cipherdata = ''; for ($i = 0; $i < 2500; $i += 1) { // XOR $cipherdata ^= mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $keyhash, $data, MCRYPT_MODE_CBC, $iv); } $time = microtime(true) - $time; echo 'array_diff() took ' . number_format($time, 3) . ' seconds'.PHP_EOL;