source: litespeed-cache/trunk/tpl/cache/settings_inc.login_cookie.tpl.php

<?php

namespace LiteSpeed;

defined('WPINC') || exit;
?>

<tr>
        <th>
                <?php $id = Base::O_CACHE_LOGIN_COOKIE; ?>
                <?php $this->title($id); ?>
        </th>
        <td>
                <?php
                $this->build_input($id);

                $this->_validate_syntax($id);

                echo '<p class="litespeed-desc">' . __('SYNTAX: alphanumeric and "_".', 'litespeed-cache')
                        . ' ' . __('No spaces and case sensitive.', 'litespeed-cache')
                        . ' ' . __('MUST BE UNIQUE FROM OTHER WEB APPLICATIONS.', 'litespeed-cache')
                        . '</p>'
                        . '<p class="litespeed-desc">'
                        . sprintf(__('The default login cookie is %s.', 'litespeed-cache'), '<code>_lscache_vary</code>')
                        . ' ' . __('The server will determine if the user is logged in based on the existence of this cookie.', 'litespeed-cache')
                        . ' ' . __('This setting is useful for those that have multiple web applications for the same domain.', 'litespeed-cache')
                        . ' ' . __('If every web application uses the same cookie, the server may confuse whether a user is logged in or not.', 'litespeed-cache')
                        . ' ' . __('The cookie set here will be used for this WordPress installation.', 'litespeed-cache')
                        . '</p>'
                        . '<p class="litespeed-desc">'
                        . __('Example use case:', 'litespeed-cache')
                        . '<br />'
                        . sprintf(__('There is a WordPress installed for %s.', 'litespeed-cache'), '<u>www.example.com</u>')
                        . '<br />'
                        . sprintf(__('Then another WordPress is installed (NOT MULTISITE) at %s', 'litespeed-cache'), '<u>www.example.com/blog/</u>')
                        . ' ' . __('The cache needs to distinguish who is logged into which WordPress site in order to cache correctly.', 'litespeed-cache')
                        . '<br />'; ?>
                <?php Doc::notice_htaccess();
                echo '</p>'; ?>
                <?php

                if (preg_match('#[^\w\-]#', $this->conf($id))) {
                        echo '<div class="litespeed-callout notice notice-error inline"><p>❌ ' . __('Invalid login cookie. Invalid characters found.', 'litespeed-cache') . '</p></div>';
                }

                if (defined('LITESPEED_ON') && $this->conf($id)) {
                        $cookie_rule = '';
                        try {
                                $cookie_rule = Htaccess::cls()->current_login_cookie();
                        } catch (\Exception $e) {
                                echo '<div class="litespeed-callout notice notice-error inline"><p>' . $e->getMessage() . '</p></div>';
                        }

                        $cookie_arr = explode(',', $cookie_rule);
                        if (!in_array($this->conf($id), $cookie_arr)) {
                                echo '<div class="litespeed-callout notice notice-warning inline"><p>'
                                        . __('WARNING: The .htaccess login cookie and Database login cookie do not match.', 'litespeed-cache')
                                        . '</p></div>';
                        }
                }

                ?>
        </td>
</tr>

<tr>
        <th>
                <?php $id = Base::O_CACHE_VARY_COOKIES; ?>
                <?php $this->title($id); ?>
        </th>
        <td>
                <?php
                $this->build_textarea($id, 50);

                $this->_validate_syntax($id);

                echo '<p class="litespeed-desc">' . __('SYNTAX: alphanumeric and "_".', 'litespeed-cache')
                        . ' ' . __('No spaces and case sensitive.', 'litespeed-cache')
                        . '</p>'
                        . '<p class="litespeed-desc">'
                        . ' ' . __('You can list the 3rd party vary cookies here.', 'litespeed-cache')
                        . '</p>'
                        . '<p class="litespeed-desc">'; ?>
                <?php Doc::notice_htaccess();
                echo '</p>'; ?>
        </td>
</tr>