get_post_meta
get_post_meta ( $post_id, $key = '', $single = false )
Parameters:- (int) post_id Post ID.
- (string) key Optional. The meta key to retrieve. By default, returns data for all keys. Default empty.
- (bool) single Optional. Whether to return a single value. This parameter has no effect if `$key` is not specified. Default false.
Returns:- (mixed) An array of values if `$single` is false. The value of the meta field if `$single` is true. False for an invalid `$post_id` (non-numeric, zero, or negative value). An empty string if a valid but non-existing post ID is passed.
Defined at: - Introduced in WordPress: 1.5.0
- Deprecated in WordPress: —
Description
Retrieves a post meta field for the given post ID.