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set_post_thumbnail › WordPress Function
Since3.1.0
已弃用n/a
› set_post_thumbnail ( $post, $thumbnail_id )
参数: (2) |
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返回: |
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定义在: |
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Sets the post thumbnail (featured image) for the given post.
Related Functions: the_post_thumbnail, has_post_thumbnail, set_post_thumbnail_size, delete_post_thumbnail, get_post_thumbnail_id
源码
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; }