connect($host, $username, $password, $database, $port); } function mysql_errno() { return DB::getInstance()->errno(); } function mysql_error() { return DB::getInstance()->error(); } function mysql_query(string $sql) { return DB::getInstance()->query($sql); } function mysql_select_db($database) { return DB::getInstance()->select_db($database); } function mysql_num_rows($result) { return DB::getInstance()->numRows($result); } function mysql_fetch_array($result, $type = null) { return DB::getInstance()->fetchArray($result, $type); } function mysql_fetch_assoc($result) { return DB::getInstance()->fetchAssoc($result); } function mysql_fetch_row($result) { return DB::getInstance()->fetchRow($result); } function mysql_affected_rows() { return DB::getInstance()->affectedRows(); } function mysql_real_escape_string($string) { return DB::getInstance()->escapeString($string); } function mysql_insert_id() { return DB::getInstance()->lastInsertId(); }