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set_post_thumbnail › WordPress Function

Seit3.1.0
Veraltetn/v
› set_post_thumbnail ( $post, $thumbnail_id )
Parameter: (2)
  • (int|WP_Post) $post Post ID or post object where thumbnail should be attached.
    Erforderlich: Ja
  • (int) $thumbnail_id Thumbnail to attach.
    Erforderlich: Ja
Gibt zurück:
  • (int|bool) Post meta ID if the key didn't exist (ie. this is the first time that a thumbnail has been saved for the post), true on successful update, false on failure or if the value passed is the same as the one that is already in the database.
Definiert in:
Codex:

Sets the post thumbnail (featured image) for the given post.



Ähnliche Funktionen: has_post_thumbnail, the_post_thumbnail, set_post_thumbnail_size, delete_post_thumbnail, get_post_thumbnail_id

Quellcode 

function set_post_thumbnail( $post, $thumbnail_id ) {
	$post         = get_post( $post );
	$thumbnail_id = absint( $thumbnail_id );
	if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) {
		if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) {
			return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id );
		} else {
			return delete_post_meta( $post->ID, '_thumbnail_id' );
		}
	}
	return false;
}