W3cubDocs

/WordPress

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

Fires before fetching the post thumbnail HTML.

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

$post_idint: The post ID.
$post_thumbnail_idint: The post thumbnail ID.
$sizestring|int[]: Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).

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

Version	Description
2.9.0	Introduced.