From ff0425a81f7a7aa01777a1fe2f2451b738469cb8 Mon Sep 17 00:00:00 2001 From: Anthony Burchell Date: Sun, 7 Nov 2021 19:27:45 +0000 Subject: [PATCH] Media: Add filter for post thumbnail url. Introduces new filter `post_thumbnail_url` which allows overriding the default url returned from `wp_get_attachement_image_url()`. Props ibenic, SergeyBiryukov, jackreichert, audrasjb. Fixes #40547. git-svn-id: https://develop.svn.wordpress.org/trunk@52027 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-includes/post-thumbnail-template.php | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/src/wp-includes/post-thumbnail-template.php b/src/wp-includes/post-thumbnail-template.php index 162d7872b2..6c8fa584a1 100644 --- a/src/wp-includes/post-thumbnail-template.php +++ b/src/wp-includes/post-thumbnail-template.php @@ -227,7 +227,19 @@ function get_the_post_thumbnail_url( $post = null, $size = 'post-thumbnail' ) { return false; } - return wp_get_attachment_image_url( $post_thumbnail_id, $size ); + $thumbnail_url = wp_get_attachment_image_url( $post_thumbnail_id, $size ); + + /** + * Filters the post thumbnail URL. + * + * @since 5.9.0 + * + * @param string|false $thumbnail_url Post thumbnail URL or false if the post does not exist. + * @param int|WP_Post|null $post Post ID or WP_Post object. Default is global `$post`. + * @param string|int[] $size Registered image size to retrieve the source for or a flat array + * of height and width dimensions. Default 'post-thumbnail'. + */ + return apply_filters( 'post_thumbnail_url', $thumbnail_url, $post, $size ); } /**