/** Singleton connection that uses using config.php
* @return dbPDO
*/
public static function singleton()
{
if (is_null(self::$_connection)) {
$dsn = sprintf('mysql:host=%s;dbname=%s;port=%d', $GLOBALS['config']['mysql_host'], $GLOBALS['config']['mysql_db'], 3306);
self::$_connection = new dbPDO($dsn, $GLOBALS['config']['mysql_user'], $GLOBALS['config']['mysql_pass']);
}
return self::$_connection;
}
