Ticket #28381: unattached_attachments_patch.patch

wp-admin/includes/class-wp-media-list-table.php

@@ -47 +47 @@
                 $type_links = array();
                 $_num_posts = (array) wp_count_attachments();
                 $_total_posts = array_sum($_num_posts) - $_num_posts['trash'];
-                $total_orphans = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent < 1" );
+                $total_orphans = wp_count_unattached_attachments();
                 $matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));
                 foreach ( $matches as $type => $reals )
                         foreach ( $reals as $real )

wp-includes/post.php

@@ -2292 +2292 @@
 }
 
 /**
+ * Count number of unattached attachments
+ *
+ * @since 4.0
+ *
+ * @return int The number of unattached attachments
+ */
+function wp_count_unattached_attachments()
+{
+        global $wpdb;
+        $unattached_attachments = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent < 1" );
+
+        /**
+         * Modify returned unattached attachment count
+         *
+         * @since 4.0
+         *
+         * @param int $unattached_attachments   Number of unattached attachments
+         */
+        return apply_filters( 'wp_count_unattached_attachments', (int) $unattached_attachments);
+}
+
+/**
  * Get default post mime types
  *
  * @since 2.9.0