Retrieve 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.

Signature

get_post_custom_values( $key = '', $post_id = 0 )
key
 (string) Optional. Meta field key. Default empty.
Default: ''
post_id
 (int) Optional. Post ID. Default is ID of the global $post.
Default: 0

Return

(array) Meta field values.

Source

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;
}
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