get_post_mime_type ( $post = null )
- (int|WP_Post) post Optional. Post ID or post object. Defaults to global $post.
- (string|bool) The mime type on success, false on failure.
- Introduced in WordPress: 2.0.0
- Deprecated in WordPress: —
Retrieve the mime type of an attachment based on the ID.This function can be used with any post type, but it makes more sense with