Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\xampp\htdocs\dbresearch\Connections\dbindustrial.php:27 Stack trace: #0 C:\xampp\htdocs\dbresearch\main\search.php(1): require_once() #1 {main} thrown in C:\xampp\htdocs\dbresearch\Connections\dbindustrial.php on line 27