- create_bar_tab.php: Replaced mysqli_real_escape_string() and procedural mysqli_query/mysqli_num_rows/mysqli_error with OOP prepared statements
- submit_order.php: Replaced mysqli_real_escape_string() and procedural mysqli_query/mysqli_error with OOP prepared statements
- fetch_drinks.php: Replaced mysqli_real_escape_string() and procedural mysqli_query/mysqli_fetch_assoc with OOP prepared statements
- comment_box.php: Removed mysqli_real_escape_string(), added CSRF token validation for comment submission
All files now use consistent OOP MySQLi approach with proper parameter binding. Fixes PHP 8.1+ compatibility and improves security against multi-byte character injection.
Updated forms with hidden CSRF token fields:
- comment_box.php - Comment form
- course_details.php - Course booking form
- campsites.php - Campsite addition modal form
- bar_tabs.php - Bar tab creation modal form
- membership_application.php - Membership application form
Updated backend processors with CSRF validation:
- create_bar_tab.php - Bar tab AJAX processor
- add_campsite.php - Campsite form processor
- submit_order.php - Order submission processor
All forms now require validated CSRF tokens before processing, preventing cross-site request forgery attacks.