Ticket #43543: 43543.patch

wp-includes/media.php

@@ -927 +927 @@
                 $html .= ' />';
         }
 
-        return $html;
+        /**
+         * Filters the attachment image HTML.
+         *
+         * @since 5.0.0
+         *
+         * @param string       $html          The attachment image HTML.
+         * @param int          $attachment_id Image attachment ID.
+         * @param string       $attr          Attributes for the image markup.
+         * @param string|array $size          Requested size. Image size or array of width and height values
+         *                                    (in that order). Default 'thumbnail'.
+         */
+        return apply_filters( 'attachment_image_html', $html, $attachment_id, $attr, $size );
 }
 
 /**