Retrieves values for a custom post field.

The parameters must not be considered optional. All of the post meta fields will be retrieved and only the meta field key values returned.

$key string Optional

Meta field key.

Default: ''

$post_id int Optional

Post ID. Default is the ID of the global $post.

array|null Meta field values.

File: wp-includes/post.php. View all references

function get_post_custom_values( $key = '', $post_id = 0 ) {
	if ( ! $key ) {
		return null;
	}

	$custom = get_post_custom( $post_id );

	return isset( $custom[ $key ] ) ? $custom[ $key ] : null;
}