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Fatal error: Uncaught Error: Call to undefined function mysql_real_escape_string() in /home/demopa/domains/demopars.ir/public_html/hotel/modules/tour.php:21 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/tour.php on line 21