Fires before fetching the post thumbnail HTML.

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

$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).

File: wp-includes/post-thumbnail-template.php. View all references

do_action( 'begin_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size );