PHP error happened

Technical information
Error type8192
Error descriptionmysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
URL216.97.238.117/PassengerShipList/Phila_list.php?
Error file/home/balle2/public_html/PassengerShipList/include/dbconnection.php
Error line9
SQL query