WP File Manager

Name	Action
..
common.inc	Edit
cookie_max_age.expected	Edit
cookie_max_age.php	Edit
cookie_raw_urlencode.expected	Edit
cookie_raw_urlencode.php	Edit
cookie_samesite_lax.expected	Edit
cookie_samesite_lax.php	Edit
cookie_samesite_strict.expected	Edit
cookie_samesite_strict.php	Edit
cookie_urlencode.expected	Edit
cookie_urlencode.php	Edit
invalid_cookie_name.expected	Edit
invalid_cookie_name.php	Edit

Editing: common.inc

<?php use Symfony\Component\HttpFoundation\Response; $parent = __DIR__; while (!@file_exists($parent.'/vendor/autoload.php')) { if (!@file_exists($parent)) { // open_basedir restriction in effect break; } if ($parent === dirname($parent)) { echo "vendor/autoload.php not found\n"; exit(1); } $parent = dirname($parent); } require $parent.'/vendor/autoload.php'; error_reporting(-1); ini_set('html_errors', 0); ini_set('display_errors', 1); if (ini_get('xdebug.default_enable')) { xdebug_disable(); } header_remove('X-Powered-By'); header('Content-Type: text/plain; charset=utf-8'); register_shutdown_function(function () { echo "\n"; session_write_close(); print_r(headers_list()); echo "shutdown\n"; }); ob_start(); $r = new Response(); $r->headers->set('Date', 'Sat, 12 Nov 1955 20:04:00 GMT'); return $r;