public static function initialize() { if (!isset(self::$mysql)) { self::$mysql = new mysqli(MYSQL_HOST, MYSQL_UN, MYSQL_PW, MYSQL_DB, MYSQL_PORT); if (self::$mysql->connect_errno) { echo "Failed to connect to MySQL: (" . $this->mysql->connect_errno . ") " . self::$mysql->connect_error; } self::$mysql->set_charset('utf8'); } }