Ticket #52183: 52183.3.diff

src/wp-includes/media.php

@@ -1124 +1124 @@
  * @param string|int[] $size          Optional. Image size. Accepts any registered image size name, or an array of
  *                                    width and height values in pixels (in that order). Default 'thumbnail'.
  * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
- * @return string|false Attachment URL or false if no image is available.
+ * @return string|false Attachment URL or false if no image is available. If `$size` doesn't match any registered
+ *                      image size, the original image URL will be returned.
  */
 function wp_get_attachment_image_url( $attachment_id, $size = 'thumbnail', $icon = false ) {
         $image = wp_get_attachment_image_src( $attachment_id, $size, $icon );

src/wp-includes/post-thumbnail-template.php

@@ -217 +217 @@
  * @param int|WP_Post  $post Optional. Post ID or WP_Post object.  Default is global `$post`.
  * @param string|int[] $size Optional. Registered image size to retrieve the source for or a flat
  *                           array of height and width dimensions. Default 'post-thumbnail'.
- * @return string|false Post thumbnail URL or false if no URL is available.
+ * @return string|false Post thumbnail URL or false if no image is available. If `$size` doesn't
+ *                      match any registered image size, the original image URL will be returned.
  */
 function get_the_post_thumbnail_url( $post = null, $size = 'post-thumbnail' ) {
         $post_thumbnail_id = get_post_thumbnail_id( $post );