Basic Multisite Question – Managing Content Centrally

3 comments

1. I’ve successfully used the ThreeWP Broadcast plugin to do this on a WPMU installation.

   The basic concept is that you have one ‘broadcasting’ site from which you can broadcast content to other sites. The content can be posts, pages, custom post types, custom taxonomies, post meta or attachments.

   If content is updated on the ‘broadcasting’ site, the updates will be reflected on the other sites. More info can be found on the ThreeWP Broadcast WP Plugin Directory entry linked above.

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2. I had a similar problem where i needed content to be available “network-wide” and managed from one location (main site), So i created a custom post type in the main site called “shared content” and a nice little shortcode which pulls the content from the main site.

   And here is “a version” of it but its not test since i don’t have access to the working solution i used back then, but it should work just fine:

   <?php
   /*
   Plugin Name: WPMU Shared Content
   Plugin URI: http://en.bainternet.info
   Description: This plugin lets you create and manage content on the main MU installation and shared it accros you network
   Version: 0.1
   Author: Bainternet
   License:
   
     Copyright 2012 Bainternet (admin@bainternet.info)
   
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License, version 2, as 
     published by the Free Software Foundation.
   
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
   
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
   /* Disallow direct access to the plugin file */
   if (basename($_SERVER['PHP_SELF']) == basename (__FILE__)) {
           die('Sorry, but you cannot access this page directly.');
   }
   
   if (!class_exists('wpmu_shared_content')){
   
           /**
           * wpmu_shared_content
           */
           class wpmu_shared_content
           {
   
                   static $main_site_id;
                   static $current;
   
   
                   //class constructor
                   public function __construct($main_id = 1);
                   {
                           global $blog_id;
                           $this->main_site_id = $main_id
                           $this->current =  $blog_id;
                           //only register the post type to the main side
                           if (is_main_site($this->main_site_id) && is_super_admin())  
                                   add_action( 'init', array($this,'register_shared_content' ));
   
                           add_shortcode('sh',array($this,'load_shared_content'));
                           add_shortcode('SH',array($this,'load_shared_content'));
                   }
   
                   //register custom post type shared content
                   public function register_shared_content() {
                           $labels = array( 
                                   'name' => _x( 'Shared Content', 'shared_content' ),
                                   'singular_name' => _x( 'shared_content', 'shared_content' ),
                                   'add_new' => _x( 'Add New', 'shared_content' ),
                                   'add_new_item' => _x( 'Add New shared_content', 'shared_content' ),
                                   'edit_item' => _x( 'Edit shared_content', 'shared_content' ),
                                   'new_item' => _x( 'New shared_content', 'shared_content' ),
                                   'view_item' => _x( 'View shared_content', 'shared_content' ),
                                   'search_items' => _x( 'Search Shared Content', 'shared_content' ),
                                   'not_found' => _x( 'No shared content found', 'shared_content' ),
                                   'not_found_in_trash' => _x( 'No shared content found in Trash', 'shared_content' ),
                                   'parent_item_colon' => _x( 'Parent shared_content:', 'shared_content' ),
                                   'menu_name' => _x( 'Shared Content', 'shared_content' ),
                           );
   
                           $args = array( 
                                   'labels' => $labels,
                                   'hierarchical' => false,
                                   'description' => 'Content to be shared with all sites but managed form main installation only.',
                                   'supports' => array( 'title', 'editor', 'thumbnail', 'custom-fields' ),
   
                                   'public' => true,
                                   'show_ui' => true,
                                   'show_in_menu' => true,
   
                                   'menu_icon' => 'http://i.imgur.com/LI2B6.png',
                                   'show_in_nav_menus' => true,
                                   'publicly_queryable' => false,
                                   'exclude_from_search' => false,
                                   'has_archive' => false,
                                   'query_var' => false,
                                   'can_export' => true,
                                   'rewrite' => false,
                                   'capability_type' => 'post'
                           );
                           register_post_type( 'shared_content', $args );
                   }
   
                   //shortcode handler
                   public function load_shared_content($atts,$content=null){
                           extract(shortcode_atts(
                                   array('id' => 0),
                           $atts));
                           $retVal = "";
                           if ($id <= 0)
                                   return $retval;
   
                           $shared_content = get_blog_post($this->main_site_id,$id);
                           $retVal = apply_filters('the_content',$shared_contents['post_content']);
                           return $retVal;
                   }
   
           }//end class
   }//end if
   
   if (is_multisite())
           new wpmu_shared_content(apply_filters('wpmu_shared_content_main_site_id', 1));
   
   /**
    * Usage:  [sh id="3"] or [SH id= 3]
    */
   

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3. bainternet and davemac’s answers are great, if not a little heavy handed. I had a similar situation where I had like 5 blogs running, with one “master” blog that kept all of the global terms of use and privacy policy things. How I did it is like this:

   1. Within your your main blog, create your pages, then set up a nav menu called “global” that contains all the pages you want shared globally.

   2. Add the following code to your themes, wherever you want the global navigation to appear:

      if (is_multisite()) switch_to_blog(1); //if the global blog is #1
      wp_nav_menu( array( 'theme_location' => 'global' ) );
      restore_current_blog();
      

   3. You could add the above code to a widget also, if you needed it in widget form.

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