Ticket #49446: 49446.2.diff

src/wp-admin/includes/template.php

@@ -2200 +2200 @@
  *
  * @since 3.2.0
  *
+ * @staticvar int[] $header_images
+ *
  * @param WP_Post $post The attachment post to retrieve states for.
  * @return string Media states string.
  */
 function _media_states( $post ) {
+        static $header_images;
+
         $media_states = array();
         $stylesheet   = get_option( 'stylesheet' );
 
@@ -2211 +2215 @@
                 $meta_header = get_post_meta( $post->ID, '_wp_attachment_is_custom_header', true );
 
                 if ( is_random_header_image() ) {
-                        $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
+                        if ( ! isset( $header_images ) ) {
+                                $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
+                        }
 
                         if ( $meta_header === $stylesheet && in_array( $post->ID, $header_images, true ) ) {
                                 $media_states[] = __( 'Header Image' );