Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home3/danaacir/old.dana.ac.ir/db/mysql.php:54 Stack trace: #0 /home3/danaacir/old.dana.ac.ir/db/db.php(94): sql_db->sql_db('localhost', 'danaacir_smgh', '9]D=zBD20e?I', 'danaacir_danadb', false) #1 /home3/danaacir/old.dana.ac.ir/mainfile.php(212): require_once('/home3/danaacir...') #2 /home3/danaacir/old.dana.ac.ir/index.php(14): require_once('/home3/danaacir...') #3 {main} thrown in /home3/danaacir/old.dana.ac.ir/db/mysql.php on line 54