Fatal error: Uncaught Error: Call to undefined function mysql_real_escape_string() in /home/demopa/domains/demopars.ir/public_html/hotel/modules/addon.php:16 Stack trace: #0 /home/demopa/domains/demopars.ir/public_html/hotel/core/template.php(40): require_once() #1 /home/demopa/domains/demopars.ir/public_html/hotel/index.php(62): Template->module() #2 {main} thrown in /home/demopa/domains/demopars.ir/public_html/hotel/modules/addon.php on line 16