public static function getInstances() { if (!isset(self::$conns)) { try { $host = parent::$host; $user = parent::$user; $pass = parent::getPass(); $dbDev = parent::$dbDev; $dbHomolog = parent::$dbHomolog; $connHomolog = new PDO("pgsql:dbname={$dbHomolog};host={$host}", $user, $pass); $connHomolog->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $connDev = new PDO("pgsql:dbname={$dbDev};host={$host}", $user, $pass); $connDev->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } catch (Exception $e) { echo $e->getMessage(); } } self::$instances['homolog'] = $connHomolog; self::$instances['dev'] = $connDev; return self::$instances; }