do_action( 'begin_fetch_post_thumbnail_html', int $post_id, int $post_thumbnail_id, string|int[] $size )

Fires before fetching the post thumbnail HTML.

Description

Provides "just in time" filtering of all filters in wp_get_attachment_image().

Parameters

$post_id

(int) The post ID.

$post_thumbnail_id

(int) The post thumbnail ID.

$size

(string|int[]) Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).

Source

File: wp-includes/post-thumbnail-template.php

View on Trac

Changelog

Version Description
2.9.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/begin_fetch_post_thumbnail_html