Online PHP editor | refs for HUTLE

<?php if (!defined('PHP_EOL')) { define('PHP_EOL', "\r\n"); } // generate the 32bit byte array (if you have the "openssl_random_pseudo_bytes" function available) if (function_exists('openssl_random_pseudo_bytes')) { $random_key = openssl_random_pseudo_bytes(32); } else { // this is the longer way to do it... $random_key = ''; for( $i = 0; $i < 64; $i++) { $random_key .= ((bool)mt_rand(0, 1) ? chr(mt_rand(65, 90)) : mt_rand(0, 9)); } $random_key = hexdec($random_key); } // 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;