your version by providing access to cookies "samesite" => "Strict" // Strict SameSite policy for better protection against CSRF attacks ]); } else { setcookie($key, "", time() - 1000); } } if (isset($_REQUEST["save"])) { foreach($_POST as $key=>$value) { if ($type > 1) return; echo "<div class="next-page-button-wrapper">"; if ($page != 0) { print_next_page_button("<<", 0, $query, $type); echo "</div>"; } ?> <title>LibreY - instances</title> </head> <body> <div class="misc-container"> <h1><?php printtext("settings_title");?></h1> <form method="post" enctype="multipart/form-data" autocomplete="off"> <div> <label for="theme"><?php printtext("settings_theme");?>:</label> <select name="theme"> <?php $default = $opts->default_theme ?? "dark"; $themes = str_replace($theme . """, $theme . "" selected", $themes); echo $themes; ?> </select> </div> <div> <label><?php printtext("settings_number_of_results");?></label> <input type="number" name="number_of_results" value="<?php echo htmlspecialchars($opts->number_of_results ?? "10") ?>" > </div> </div> </div> <div class="qr-box"> <div class="inner-wrap">