Warning: Use of undefined constant DSN - assumed 'DSN' (this will throw an Error in a future version of PHP) in /home/smahshar/actnow.ir/inc/db.php on line 3

Warning: Use of undefined constant DB_USER - assumed 'DB_USER' (this will throw an Error in a future version of PHP) in /home/smahshar/actnow.ir/inc/db.php on line 3

Warning: Use of undefined constant DB_PASS - assumed 'DB_PASS' (this will throw an Error in a future version of PHP) in /home/smahshar/actnow.ir/inc/db.php on line 3

Fatal error: Uncaught PDOException: invalid data source name in /home/smahshar/actnow.ir/inc/db.php:3 Stack trace: #0 /home/smahshar/actnow.ir/inc/db.php(3): PDO->__construct('DSN', 'DB_USER', 'DB_PASS') #1 {main} thrown in /home/smahshar/actnow.ir/inc/db.php on line 3