You’ll have to do either some massive switch_to_blog shenanigans OR direct SQL table merge queries.
Either way, you’ve run into something that Multisite actually isn’t good at.
Multiple separate sites. I have to stress this. You’re in your own brave new world 🙁
I see… Well, is there a multisite plugin that will unify all tags? I’ve found [Multisite Global Terms], however it’s not really compatible with WPMu v4. (Found that out the hard way. Now I’ll have to readd all categories and tags again…)
I use https://wordpress.org/plugins/wordpress-mu-sitewide-tags/ to do that.
This plugin seems promising. Thanks for sharing! I’ll try it out now. ^^
Okay, so I find that plug-in too confusing for me. The plugin has little to no instructions of how to use it. How can I search posts with a certain tag with this plugin? How am I going to create a cloud tag with this plugin? :/
The plugin copies posts from your network to one site. Then on that site you’d have a tag cloud, same as anywhere else, and use that.
Ah! I understand it now. Thanks.
So, after I enabled the plugin, it created a new site called [Global Post]. Now I have no clue what to do next. I’ve tried checking the [All blogs] option in the [Populate Posts] section, yet the [Global Post] page is showing no changes whatsoever… The [Global Post] page is only showing me that [Hello World!] blog post. :/
Anyone can tell me what should I be doing next?
You have to post.
Read https://wordpress.org/plugins/wordpress-mu-sitewide-tags/other_notes/
“”Populate Posts” allows you to fill in posts from an existing blog.”
I believe I understand how it works now. So basically, after activating the plug-in, whenever I create a new post, it’ll also be posted in the [Global Post] blog. And then, I can use that blog to create a tag cloud.
Sad that it doesn’t copy the already-published posts though… But oh well.
Many thanks!
Okay, so it’s working wonderfully now. I turned [Global Post] page into a custom tag cloud. ^^
But now I have a question… How can I paste that whole page into another page’s sidebar?
Hm… So I tried calling the page with this code for testing purposes…
$pages = get_pages(array('include' => '2'));
foreach($pages as $tsk){
$content = $tsk->post_content;
echo $tsk->ID; // to see if I can retrieve...anything from the Global Post page...
}
It works, I suppose, however, I can’t get the “page content.” My [Global Post] page uses a custom template wherein it only displays a list of tags now, like a normal tag cloud. I couldn’t figure out how to display the [Global Post]’s contents to the page where I want the tag cloud to be displayed. :/
Once again, I have fixed my own problems. ^^
I would like to thank [David Sader] for letting me know the existence of [WordPress MU Sitewide Tags Pages] plugin, and [Ipstenu (Mika Epstein)] for being patient and helpful. ^^
Anyway, with the help of the [MU Sitewide Tags] plugin, I was able to create my custom tag cloud that I needed for WordPress MultiSite. ^^
This is the code that I used. I’m just going to post it here for future reference.
<?php
echo '<div class="widget tag_cloud">';
include(locate_template('tag_cloud.php'));
echo '</div>';
?>
That’s the code I added in my sidebar. And then, here’s the tag_cloud.php code. I removed the fancy CSS styling in the code, by the way.
<?php
/**
* Template Name: tag_cloud_template_(global_post)
*
* created by Joseph B.
*/
$tagcloud = 16;
switch_to_blog($tagcloud);
$args = array(
'post_type' => 'post',
'orderby' => 'rand',
'order' => ''
);
$myposts = get_posts( $args );
/* create tag list */
foreach ( $myposts as $post ){
$categories = get_the_category($post->ID);
$posttags = get_the_tags(get_the_ID());
if ($posttags) {
foreach($posttags as $tag) {
$list_of_tags[] = array($tag->name, $tag->count);
}
}
}
/* end of create tag list */
/* ---------------------- */
/* remove identical entries inside the array */
/* although this code is now using the
* [MU Sitewide Tags] plugin, I don't think
* that checking and removing identical entries
* are needed... :/ */
$newArr = array();
foreach ($list_of_tags as $val) {
$newArr[$val[0]] = $val;
}
$tag_list = array_values($newArr);
/* end of remove identical entries inside the array */
/* ------------------------------------------------ */
/* display results */
for($x=0; $x<count($tag_list); $x++) {
$tag_name = $tag_list[$x][0];
$tag_post_count = $tag_list[$x][1];
echo '<a href="' . network_home_url() .'tag?tag=' . $tag_name . '" class="tag_cloud_link">';
echo '<span>' . $tag_name . '(' . $tag_post_count . ') </span>';
echo '</a>';
}
/* end of display results */
/* ---------------------- */
restore_current_blog();
?>
