How can I trust switch_to_blog()?

@G.M.’s idea to cache the check has lead me to the following helper function. I’ve put it into the global namespace to have it available everywhere. The function doesn’t say anything about the blog status, just if it exists and is not marked as deleted. The database query is very fast (0.0001 seconds) and runs … Read more

WordPress Job Interview Preparation

If I were to hire a WordPress developer, my wish list would look like this: Knows HTML and CSS inside and out; Has at least a basic grasp of JavaScript; Knows their way around PHP, and produces beautiful code (clean, consistent, DRY) Has a good grasp of database design and SQL: if I show you … Read more

WordPress MultiSite Active Directory integration and site privacy

Try a different approach. Instead of using plugins, I suggest modifying wordpress a little as described in the following answer. https://stackoverflow.com/a/39195424/3157038 So in your case you should setup the wordpress installations like this: mysite.com root: */domains/mysite.com/public_html db: user_mysite table prefix: root_ mysite.com/itsupport root: */domains/mysite.com/public_html/itsupport db: user_mysite table prefix: itsupport_ than in addition to the configuration … Read more

Cookies in multisite where network sites have their own domain name

First Clear Browser Cache (including cookies) + server cache from cache plugins etc. Then set the following in your wp-config.php file: define(‘ADMIN_COOKIE_PATH’, “https://wordpress.stackexchange.com/”); define(‘COOKIE_DOMAIN’, ”); define(‘COOKIEPATH’, ”); define(‘SITECOOKIEPATH’, ”); Also, you may checkout the answer from HERE: define(‘WP_ALLOW_MULTISITE’, true); define(‘MULTISITE’, true); define(‘SUBDOMAIN_INSTALL’, false); define(‘DOMAIN_CURRENT_SITE’, ‘your-domain.com’); define(‘PATH_CURRENT_SITE’, “https://wordpress.stackexchange.com/”); define(‘SITE_ID_CURRENT_SITE’, 1); define(‘BLOG_ID_CURRENT_SITE’, 1); define(‘SUNRISE’, ‘on’); If it … Read more

Get posts from sites in Multisite?

The WordPress function switch_to_blog() expects an integer as an input parameter. You can read more about it in the Codex: http://codex.wordpress.org/Function_Reference/switch_to_blog Please try this kind of structure instead: // Get the current blog id $original_blog_id = get_current_blog_id(); // All the blog_id’s to loop through $bids = array( 1, 2 ); foreach( $bids as $bid ) … Read more

Moving a WP Multisite to a subdirectory

I know it’s old but I fixed it! i installed WP MU in a subfolder. htaccess: RewriteEngine On RewriteBase /YOUR_SUBFOLDER RewriteRule ^index\.php$ – [L] # add a trailing slash to /wp-admin RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L] RewriteCond %{REQUEST_FILENAME} -f [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^ – [L] RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L] RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L] RewriteRule … Read more

WordPress Multisite – global categories

function __add_global_categories( $term_id ) { if ( get_current_blog_id() !== BLOG_ID_CURRENT_SITE || ( !$term = get_term( $term_id, ‘category’ ) ) ) return $term_id; // bail if ( !$term->parent || ( !$parent = get_term( $term->parent, ‘category’ ) ) ) $parent = null; global $wpdb; $blogs = $wpdb->get_col( “SELECT blog_id FROM {$wpdb->blogs} WHERE site_id = ‘{$wpdb->siteid}'” ); foreach … Read more

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