public static function get_connection($dsn, $db_user, $db_pass)
{
if (self::$connected == true) {
return self::$connection;
}
try {
self::$connection = new PDO($dsn, $db_user, $db_pass, array(PDO::ATTR_PERSISTENT => false));
} catch (PDOException $e) {
self::freichat_debug("unable to connect to database. Error : " . $e->getMessage());
//die(); //do not die
return false;
//instead return false
}
self::freichat_debug("connected to database successfully");
self::$connection->exec("SET CHARACTER SET utf8");
self::$connection->exec("SET NAMES utf8");
self::$connected = true;
return self::$connection;
}