Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/n9t4gw6xrzpq/public_html/connect_to_database.php:13 Stack trace: #0 /home/n9t4gw6xrzpq/public_html/postdoc_extractives_old_2019.php(3): include() #1 {main} thrown in /home/n9t4gw6xrzpq/public_html/connect_to_database.php on line 13