Ticket #34368: wp-site-icon.diff

wp-admin/includes/class-wp-site-icon.php

@@ -221 +221 @@
          * @return array|null|string The attachment metadata value, array of values, or null.
          */
         public function get_post_metadata( $value, $post_id, $meta_key, $single ) {
-                $site_icon_id = get_option( 'site_icon' );
+                
+                if( $single && '_wp_attachment_backup_sizes' == $meta_key ) {
+                    $site_icon_id = get_option( 'site_icon' );
 
-                if ( $post_id == $site_icon_id && '_wp_attachment_backup_sizes' == $meta_key && $single ) {
+                    if ( $post_id == $site_icon_id ) {
                         add_filter( 'intermediate_image_sizes', array( $this, 'intermediate_image_sizes' ) );
-                }
+                    }
+                }
 
                 return $value;
         }