X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/61343b82c4f0da4c68e4c6373daafff4a81efdd1..e08b42e8ad054ec67522d7ac1aaae5dc68cb3d01:/wp-includes/post-formats.php

diff --git a/wp-includes/post-formats.php b/wp-includes/post-formats.php
index a13de3ea..cdb9da5d 100644
--- a/wp-includes/post-formats.php
+++ b/wp-includes/post-formats.php
@@ -32,23 +32,23 @@ function get_post_format( $post = null ) {
 }
 
 /**
- * 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 );