Online PHP editor | refs for Wf62O

<?php if (!defined('PHP_EOL')) { define('PHP_EOL', "\r\n"); } // generate the 32bit byte array $random_key = openssl_random_pseudo_bytes(32); // this is it as hex print "Hex key: " . bin2hex($random_key) . PHP_EOL; print PHP_EOL; // this is the base64 string that you want to save print "Save this string: " . base64_encode($random_key) . PHP_EOL;