From e05891a7ec07475676297ddab3602856a69a9e7e Mon Sep 17 00:00:00 2001 From: Scott Taylor Date: Mon, 12 Oct 2015 20:59:12 +0000 Subject: [PATCH] Media: avoid "divide by zero" in `wp_get_attachment_image_srcset_array()`. Fixes #34238. git-svn-id: https://develop.svn.wordpress.org/trunk@35081 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-includes/media.php | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/wp-includes/media.php b/src/wp-includes/media.php index 485903e9ac..799d63f473 100644 --- a/src/wp-includes/media.php +++ b/src/wp-includes/media.php @@ -921,7 +921,11 @@ function wp_get_attachment_image_srcset_array( $attachment_id, $size = 'medium' $candidate_url = path_join( dirname( $img_url ), $img['file'] ); // Calculate the new image ratio. - $img_ratio_compare = $img['height'] / $img['width']; + if ( $img['width'] ) { + $img_ratio_compare = $img['height'] / $img['width']; + } else { + $img_ratio_compare = 0; + } // If the new ratio differs by less than 0.01, use it. if ( abs( $img_ratio - $img_ratio_compare ) < 0.01 && ! in_array( $candidate_url, $candidates ) ) {