Warning: Undefined array key "id_csv" in /var/www/html/my_includes/ajax_reserve_tour/reserve.php on line 48

Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /var/www/html/my_includes/ajax_reserve_tour/reserve.php on line 48

Fatal error: Uncaught Error: Call to undefined function mysql_select_db() in /var/www/html/my_includes/ajax_reserve_tour/reserve.php:59 Stack trace: #0 {main} thrown in /var/www/html/my_includes/ajax_reserve_tour/reserve.php on line 59