PHP w3_force_master函数代码示例

 function generate()
 {
     $pages = $this->generate_menu_array();
     add_menu_page(__('Performance', 'w3-total-cache'), __('Performance', 'w3-total-cache'), 'manage_options', 'w3tc_dashboard', '', 'div');
     $submenu_pages = array();
     foreach ($pages as $slug => $titles) {
         if ($this->_config_admin->get_boolean('common.visible_by_master_only') && $titles['network_show'] || (!$this->_config_admin->get_boolean('common.visible_by_master_only') || is_super_admin() && (!w3_force_master() || is_network_admin()))) {
             $submenu_pages[] = add_submenu_page('w3tc_dashboard', $titles[0] . ' | W3 Total Cache', $titles[1], 'manage_options', $slug, array(&$this, 'options'));
         }
     }
     return $submenu_pages;
 }

 /**
  * Page cache tab
  *
  * @return void
  */
 function view()
 {
     global $wp_rewrite;
     $feeds = $wp_rewrite->feeds;
     $feed_key = array_search('feed', $feeds);
     if ($feed_key !== false) {
         unset($feeds[$feed_key]);
     }
     $default_feed = get_default_feed();
     $pgcache_enabled = $this->_config->get_boolean('pgcache.enabled');
     $permalink_structure = get_option('permalink_structure');
     $varnish_enabled = $this->_config->get_boolean('varnish.enabled');
     $cdn_mirror_purge_enabled = w3_is_cdn_mirror($this->_config->get_string('cdn.engine')) && $this->_config->get_string('cdn.engine') != 'mirror' && $this->_config->get_boolean('cdncache.enabled') && w3tc_edge_mode() && w3_is_pro($this->_config) || w3_is_enterprise();
     $disable_check_domain = w3_is_multisite() && w3_force_master();
     include W3TC_INC_DIR . '/options/pgcache.php';
 }

    function print_script()
    {
        ?>
        <script type="text/javascript">
            var w3_use_network_link = <?php 
        echo is_network_admin() || w3_is_multisite() && w3_force_master() ? 'true' : 'false';
        ?>
;
            function w3tc_start_minify_try_solve() {
                var testUrl = '<?php 
        echo w3_filename_to_url(w3_cache_blog_dir('minify') . '/', w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url()));
        ?>
';
                w3tc_filename_auto_solve(testUrl);
            }
        </script>
        <?php 
    }

    function print_script()
    {
        ?>
        <script type="text/javascript">
            var w3_use_network_link = <?php 
        echo w3_force_master() ? 'true' : 'false';
        ?>
;
            function w3tc_start_minify_try_solve() {
                var testUrl = '<?php 
        echo w3_filename_to_url(w3_cache_blog_dir('minify') . '/');
        ?>
';
                w3tc_filename_auto_solve(testUrl);
            }
        </script>
        <?php 
    }

 function generate()
 {
     $pages = array('w3tc_dashboard' => array(__('Dashboard', 'w3-total-cache'), __('Dashboard', 'w3-total-cache'), 'network_show' => true), 'w3tc_general' => array(__('General Settings', 'w3-total-cache'), __('General Settings', 'w3-total-cache'), 'network_show' => false), 'w3tc_pgcache' => array(__('Page Cache', 'w3-total-cache'), __('Page Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_minify' => array(__('Minify', 'w3-total-cache'), __('Minify', 'w3-total-cache'), 'network_show' => false), 'w3tc_dbcache' => array(__('Database Cache', 'w3-total-cache'), __('Database Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_objectcache' => array(__('Object Cache', 'w3-total-cache'), __('Object Cache', 'w3-total-cache'), 'network_show' => false));
     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
         $pages['w3tc_fragmentcache'] = array(__('Fragment Cache', 'w3-total-cache'), __('Fragment Cache', 'w3-total-cache'), 'network_show' => false);
     }
     $pages = array_merge($pages, array('w3tc_browsercache' => array(__('Browser Cache', 'w3-total-cache'), __('Browser Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_mobile' => array(__('User Agent Groups', 'w3-total-cache'), __('User Agent Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_referrer' => array(__('Referrer Groups', 'w3-total-cache'), __('Referrer Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_cdn' => array(__('Content Delivery Network', 'w3-total-cache'), __('<acronym title="Content Delivery Network">CDN</acronym>', 'w3-total-cache'), 'network_show' => $this->_config->get_boolean('cdn.enabled')), 'w3tc_monitoring' => array(__('Monitoring', 'w3-total-cache'), __('Monitoring', 'w3-total-cache'), 'network_show' => false)));
     $pages_tail = array('w3tc_faq' => array(__('FAQ', 'w3-total-cache'), __('FAQ', 'w3-total-cache'), 'network_show' => true), 'w3tc_support' => array(__('Support', 'w3-total-cache'), __('<span style="color: red;">Support</span>', 'w3-total-cache'), 'network_show' => true), 'w3tc_install' => array(__('Install', 'w3-total-cache'), __('Install', 'w3-total-cache'), 'network_show' => false), 'w3tc_about' => array(__('About', 'w3-total-cache'), __('About', 'w3-total-cache'), 'network_show' => true));
     $pages = apply_filters('w3tc_menu', $pages, $this->_config, $this->_config_admin);
     $pages = array_merge($pages, $pages_tail);
     add_menu_page(__('Performance', 'w3-total-cache'), __('Performance', 'w3-total-cache'), 'manage_options', 'w3tc_dashboard', '', 'div');
     $submenu_pages = array();
     foreach ($pages as $slug => $titles) {
         if ($this->_config_admin->get_boolean('common.visible_by_master_only') && $titles['network_show'] || (!$this->_config_admin->get_boolean('common.visible_by_master_only') || is_super_admin() && (!w3_force_master() || is_network_admin()))) {
             $submenu_pages[] = add_submenu_page('w3tc_dashboard', $titles[0] . ' | W3 Total Cache', $titles[1], 'manage_options', $slug, array(&$this, 'options'));
         }
     }
     return $submenu_pages;
 }

 /**
  * Setups actions
  */
 public function admin_init()
 {
     if (current_user_can('manage_options')) {
         /**
          * @var W3_ConfigCompatibility $config_comp
          */
         $config_comp = w3_instance('W3_ConfigCompatibility');
         if ($config_comp->get_old_version() && isset($_GET['page'])) {
             w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
             if (is_w3tc_admin_page() || isset($GLOBALS['pagenow']) && 'plugins.php' === $GLOBALS['pagenow']) {
                 if (!w3_is_multisite() || !w3_force_master()) {
                     add_action('admin_notices', array($this, 'admin_notices'));
                 } else {
                     add_action('network_admin_notices', array($this, 'admin_notices'));
                 }
             }
             $config_comp->setup_settings();
         }
     }
 }

 /**
  * Checks if can we do cache logic
  *
  * @param string $buffer
  * @return boolean
  */
 function _can_cache2(&$buffer)
 {
     /**
      * Skip if caching is disabled
      */
     if (!$this->_caching) {
         return false;
     }
     /**
      * Check for database error
      */
     if (w3_is_database_error($buffer)) {
         $this->cache_reject_reason = 'Database error occurred';
         return false;
     }
     /**
      * Check for DONOTCACHEPAGE constant
      */
     if (defined('DONOTCACHEPAGE') && DONOTCACHEPAGE) {
         $this->cache_reject_reason = 'DONOTCACHEPAGE constant is defined';
         return false;
     }
     /**
      * Check hostname
      */
     if ((!w3_is_multisite() || w3_is_multisite() && !w3_force_master()) && $this->_config->get_boolean('pgcache.check.domain') && w3_get_host() != w3_get_home_domain()) {
         $this->cache_reject_reason = 'Hostname mismatch';
         return false;
     }
     /**
      * Don't cache 404 pages
      */
     if (!$this->_config->get_boolean('pgcache.cache.404') && function_exists('is_404') && is_404()) {
         $this->cache_reject_reason = 'Page is 404';
         return false;
     }
     /**
      * Don't cache homepage
      */
     if (!$this->_config->get_boolean('pgcache.cache.home') && function_exists('is_home') && is_home()) {
         $this->cache_reject_reason = is_front_page() && is_home() ? 'Page is front page' : 'Page is posts page';
         return false;
     }
     /**
      * Don't cache front page
      */
     if ($this->_config->get_boolean('pgcache.reject.front_page') && function_exists('is_front_page') && is_front_page() && !is_home()) {
         $this->cache_reject_reason = 'Page is front page';
         return false;
     }
     /**
      * Don't cache feed
      */
     if (!$this->_config->get_boolean('pgcache.cache.feed') && function_exists('is_feed') && is_feed()) {
         $this->cache_reject_reason = 'Page is feed';
         return false;
     }
     /**
      * Check if page contains dynamic tags
      */
     if ($this->_enhanced_mode && $this->_has_dynamic($buffer)) {
         $this->cache_reject_reason = 'Page contains dynamic tags (mfunc or mclude) can not be cached in enhanced mode';
         return false;
     }
     return true;
 }

                </optgroup>
                <optgroup label="Multiple Servers:">
                    <option value="memcached"<?php 
selected($this->_config->get_string('fragmentcache.engine'), 'memcached');
if (!$check_memcached) {
    ?>
 disabled="disabled"<?php 
}
?>
>Memcached</option>
                </optgroup>
            </select>
        </td>
    </tr>
    <?php 
if ($this->is_network_and_master() && !w3_force_master()) {
    ?>
    <tr>
        <th>Network policy:</th>
        <td>
            <?php 
    $this->checkbox_admin('fragmentcache.configuration_sealed');
    ?>
 Apply the settings above to the entire network.</label>
        </td>
    </tr>
    <?php 
}
?>
</table>

/**
 * Returns true if config section is sealed
 * @param string $section
 * @return boolean
 */
function w3tc_is_sealed($section)
{
    $config = w3_instance('W3_Config');
    $config_master = new W3_Config(true);
    $config_admin = w3_instance('W3_ConfigAdmin');
    if ($config->is_master()) {
        return false;
    }
    if (w3_is_network() && !$config->is_master() && w3_force_master()) {
        return true;
    }
    // browsercache settings change rules, so not available in child settings
    if ($section == 'browsercache') {
        return true;
    }
    if ($section == 'minify' && !$config_master->get_boolean('minify.enabled')) {
        return true;
    }
    return $config_admin->get_boolean($section . '.configuration_sealed');
}

    ?>
            <tr>
                <th colspan="2">
                    <?php 
    $this->checkbox('cdn.canonical_header');
    ?>
 Add canonical header</label><br />
                    <span class="description">Adds canonical <acronym title="Hypertext Transfer Protocol">HTTP</acronym> header to assets files.</span>
                </th>
            </tr>
            <?php 
}
?>
        </table>
<?php 
if (!$this->_config_admin->get_boolean('common.visible_by_master_only') || is_super_admin() && (!w3_force_master() || is_network_admin())) {
    ?>

        <p class="submit">
            <?php 
    echo $this->nonce_field('w3tc');
    ?>
            <input type="submit" name="w3tc_save_options" class="w3tc-button-save button-primary" value="Save all settings" />
        </p>
        <?php 
    echo $this->postbox_footer();
    ?>

        <?php 
    echo $this->postbox_header('Configuration', '', 'configuration');
    ?>

        </tr>
        <?php 
        if ($this->is_network_and_master()) {
            ?>
        <tr>
            <th><?php 
            _e('Use above application name and ID for all sites in network:', 'w3-total-cache');
            ?>
</th>
            <td><?php 
            $this->checkbox('newrelic.use_network_wide_id');
            ?>
</label></td>
        </tr>
        <?php 
            if (!w3_force_master()) {
                ?>
        <tr>
            <th><?php 
                _e('Network policy:', 'w3-total-cache');
                ?>
</th>
            <td>
                <?php 
                $this->checkbox_admin('newrelic.configuration_sealed', $this->_config->get_boolean('newrelic.use_network_wide_id'));
                ?>
 <?php 
                _e('Apply the settings above to the entire network.', 'w3-total-cache');
                ?>
</label>
            </td>

 private function _get_config_filename($force_master = false)
 {
     if ($this->_blog_id <= 0 || $force_master || w3_force_master()) {
         return W3TC_CONFIG_DIR . '/master-admin.php';
     }
     return W3TC_CONFIG_DIR . '/' . sprintf('%06d', $this->_blog_id) . '-admin.php';
 }

 /**
  * Returns true if config section is sealed
  * @param string $section
  * @param W3_Config $config_master
  * @param W3_ConfigAdmin $config_admin
  * @return boolean
  */
 private function is_sealed($section, $config_master, $config_admin)
 {
     if (w3_get_blog_id() == 0) {
         return false;
     }
     if (w3_is_network() && w3_get_blog_id() != 0 && w3_force_master()) {
         return true;
     }
     // browsercache settings change rules, so not available in child settings
     if ($section == 'browsercache') {
         return true;
     }
     if ($section == 'minify' && !$config_master->get_boolean('minify.enabled')) {
         return true;
     }
     return $config_admin->get_boolean($section . '.configuration_sealed');
 }

 private function _get_config_filename($forced_preview = null)
 {
     $preview = is_null($forced_preview) ? $this->_preview : $forced_preview;
     $postfix = ($preview ? '-preview' : '') . '.php';
     if ($this->_blog_id <= 0 || w3_force_master()) {
         return W3TC_CACHE_CONFIG_DIR . '/master' . $postfix;
     }
     return W3TC_CACHE_CONFIG_DIR . '/' . sprintf('%06d', $this->_blog_id) . $postfix;
 }

 public static function get_config_filename()
 {
     $force_master = false;
     if (w3_force_master()) {
         $force_master = true;
     }
     $postfix = '.php';
     if (w3_get_blog_id() <= 0 || $force_master) {
         return W3TC_CONFIG_DIR . '/master' . $postfix;
     }
     return W3TC_CONFIG_DIR . '/' . sprintf('%06d', w3_get_blog_id()) . $postfix;
 }