From cedd0cb7a72104f4f7117508199a3c9950fcb1e3 Mon Sep 17 00:00:00 2001 From: Paul Biron Date: Mon, 16 Jul 2018 16:05:00 -0600 Subject: [PATCH] revised patch: 1) filter should accept an array (instead of string) for $classes; 2) filter return value cast to array() (just in case); 3) sanitize_html_class() array_map'd to filter return value; 4) 'gallery-item' added if not already present. --- src/wp-includes/media.php | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/src/wp-includes/media.php b/src/wp-includes/media.php index c93c3db..19c8d1a 100644 --- a/src/wp-includes/media.php +++ b/src/wp-includes/media.php @@ -1863,7 +1863,21 @@ function gallery_shortcode( $attr ) { if ( isset( $image_meta['height'], $image_meta['width'] ) ) { $orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape'; } - $output .= "<{$itemtag} class='gallery-item'>"; + + /** + * Filter the gallery item classes. + * + * @since 5.0 + * + * @param array $classes Classes applied to gallery item. + * @param object $attachment Attachment object. + */ + $gallery_item_classes = (array) apply_filters( 'gallery_item_classes', array(), $attachment ); + $gallery_item_classes = array_filter( array_map( 'sanitize_html_class', $gallery_item_classes ) ); + $gallery_item_classes = array_merge( array( 'gallery-item' ), $gallery_item_classes ); + $gallery_item_classes = implode( ' ', $gallery_item_classes ); + + $output .= "<{$itemtag} class='{$gallery_item_classes}'>"; $output .= " <{$icontag} class='gallery-icon {$orientation}'> $image_output -- 2.7.0.windows.1