}
/**
- * Check if a post has a particular format
+ * Check if a post has any of the given formats, or any format.
*
* @since 3.1.0
*
* @uses has_term()
*
- * @param string|array $format The format or formats to check.
- * @param object|int $post The post to check. If not supplied, defaults to the current post if used in the loop.
- * @return bool True if the post has the format, false otherwise.
+ * @param string|array $format Optional. The format or formats to check.
+ * @param object|int $post Optional. The post to check. If not supplied, defaults to the current post if used in the loop.
+ * @return bool True if the post has any of the given formats (or any format, if no format specified), false otherwise.
*/
-function has_post_format( $format, $post = null ) {
- if ( ! is_array( $format ) )
- $format = array( $format );
-
+function has_post_format( $format = array(), $post = null ) {
$prefixed = array();
- foreach( $format as $single ) {
- $prefixed[] = 'post-format-' . sanitize_key( $single );
+
+ if ( $format ) {
+ foreach ( (array) $format as $single ) {
+ $prefixed[] = 'post-format-' . sanitize_key( $single );
+ }
}
return has_term( $prefixed, 'post_format', $post );