Ticket #51062: 51062.diff

src/wp-content/themes/twentyfifteen/inc/template-tags.php

@@ -121 +121 @@
                                 '<span class="full-size-link"><span class="screen-reader-text">%1$s </span><a href="%2$s">%3$s &times; %4$s</a></span>',
                                 _x( 'Full size', 'Used before full size attachment link.', 'twentyfifteen' ),
                                 esc_url( wp_get_attachment_url() ),
-                                $metadata['width'],
-                                $metadata['height']
+                                isset( $metadata['width'] ) ? $metadata['width'] : 0,
+                                isset( $metadata['height'] ) ? $metadata['height'] : 0
                         );
                 }