Create Ramdom Tokens with PHP

get_token.php

<?PHP
function get_token($length = 32) {
	if ( ! isset($length) || intval($length) <= 8 ) {
		$length = 32;
	}
	// PHP 7.0+
	if ( function_exists('random_bytes') ) {
		return bin2hex(random_bytes($length));
	}
	// PHP 5.3+
	if ( function_exists('openssl_random_pseudo_bytes') ) {
		return bin2hex(openssl_random_pseudo_bytes($length));
	}
}