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Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\xampp\htdocs\config.php:25 Stack trace: #0 C:\xampp\htdocs\config.php(15): mth->mysqlConnect() #1 C:\xampp\htdocs\index.php(3): mth->__construct() #2 {main} thrown in C:\xampp\htdocs\config.php on line 25