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get_post_thumbnail_id ›

Since2.9.0
Deprecatedn/a
› get_post_thumbnail_id ( $post = null )
Parameters:
  • (int|WP_Post) $post Optional. Post ID or WP_Post object. Default is global `$post`.
    Required: No
    Default: null
Returns:
  • (int|string) Post thumbnail ID or empty string if the post does not exist.
Defined at:
Codex:
Change Log:
  • 4.4.0

Retrieve post thumbnail ID.



Related Functions: set_post_thumbnail, set_post_thumbnail_size, get_the_post_thumbnail, the_post_thumbnail, get_the_post_thumbnail_url

Source 

function get_post_thumbnail_id( $post = null ) {
	$post = get_post( $post );
	if ( ! $post ) {
		return '';
	}
	return (int) get_post_meta( $post->ID, '_thumbnail_id', true );
}