Use the below example code for WordPress Multisite – global categories:
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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 ( $blogs as $blog ) { $wpdb->set_blog_id( $blog ); if ( $parent && ( $_parent = get_term_by( 'slug', $parent->slug, 'category' ) ) ) $_parent_ID = $_parent->term_id; else $_parent_ID = 0; wp_insert_term( $term->name, 'category', array( 'slug' => $term->slug, 'parent' => $_parent_ID, 'description' => $term->description )); } $wpdb->set_blog_id( BLOG_ID_CURRENT_SITE ); } add_action( 'created_category', '__add_global_categories' ); |
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