December 13, 2011 
Definition:
function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) {}
Handler for updating the blog date when a post is published or an already published post is changed.
Parameters
- string $new_status: The new post status
- string $old_status: The old post status
- object $post: Post object
Source code
function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) {
$post_type_obj = get_post_type_object( $post->post_type );
if ( ! $post_type_obj->public )
return;
if ( 'publish' != $new_status && 'publish' != $old_status )
return;
// Post was freshly published, published post was saved, or published post was unpublished.
wpmu_update_blogs_date();
}
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