From afc3d3a26acfffe6b74538f0b37f5095992e21ab Mon Sep 17 00:00:00 2001
From: Maximus80 <ms@media-lounge.at>
Date: Mon, 23 Jan 2017 12:34:50 +0100
Subject: [PATCH] add filter for single product image gallery wrapper classes

---
 templates/single-product/product-image.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/templates/single-product/product-image.php b/templates/single-product/product-image.php
index 9eabca12856..f218257d652 100644
--- a/templates/single-product/product-image.php
+++ b/templates/single-product/product-image.php
@@ -27,9 +27,8 @@ $full_size_image   = wp_get_attachment_image_src( $post_thumbnail_id, 'full' );
 $thumbnail_post    = get_post( $post_thumbnail_id );
 $image_title       = $thumbnail_post->post_content;
 $placeholder       = has_post_thumbnail() ? 'with-images' : 'without-images';
-
 ?>
-<div class="woocommerce-product-gallery <?php echo 'woocommerce-product-gallery--' . $placeholder . ' woocommerce-product-gallery--columns-' . sanitize_html_class( $columns ) . ' columns-' . sanitize_html_class( $columns ); ?> images">
+<div class="<?php echo apply_filters( 'woocommerce_single_product_image_gallery_classes', 'woocommerce-product-gallery woocommerce-product-gallery--' . $placeholder . ' woocommerce-product-gallery--columns-' . sanitize_html_class( $columns ) . ' columns-' . sanitize_html_class( $columns ) . ' images' ); ?>">
 	<figure class="woocommerce-product-gallery__wrapper">
 		<?php
 		$attributes = array(