CRASHED:  [8192] mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

PHP 5.6.39 (Linux)
Fatal error in line: 52 of file: /home/eligame/public_html/db-support/db_connection.inc

REQUEST: array (
  'index_target_url' => 'en/portfolio/other',
)

errno: 8192; errstr: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
file: none; line: none; function: SmartErrorHandler; class: none; 
file: /home/eligame/public_html/db-support/db_connection.inc; line: 52; function: mysql_connect; class: none; 
file: /home/eligame/public_html/names.php; line: 19; function: include_once; class: none; 
file: /home/eligame/public_html/a_index.php; line: 40; function: include_once; class: none;