set_post_thumbnail() – Sets the post thumbnail (featured image) for the given post.
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Description
Sets the post thumbnail (featured image) for the given post.
Usage
$int|bool = set_post_thumbnail( $post, $thumbnail_id );
Parameters
- $post
- ( int|WP_Post ) required – Post ID or post object where thumbnail should be attached.
- $thumbnail_id
- ( int ) required – Thumbnail to attach.
Returns
int|bool True on success, false on failure.
Source
File name: wordpress/wp-includes/post.php
Lines:
1 to 12 of 12
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; }