PHP 密码哈希和验证

Posted 2021-05-15

function generate_hash ($plain_text, $salt = null) {
	
	if ($salt === null) {
		$salt = substr(md5(uniqid(rand(), true)), 0, 12);
	} else {
		$salt = substr($salt, 0, 12);
	}

	return $salt . sha1($salt . $plain_text);
	
}