Ticket #23749: 23749.diff

src/wp-includes/query.php

@@ -292 +292 @@
 }
 
 /**
+ * Is the query for a post format archive page?
+ *
+ * If the $format parameter is specified, this function will check
+ * if the query is for one of the formats.
+ * specified.
+ *
+ * @since 3.9.0
+ * @uses $wp_query
+ *
+ * @param mixed $format Optional. Format slug or array of format slugs, without the post-format prefix.
+ * @return bool
+ */
+function is_post_format_archive( $format = '' ) {
+        global $wp_query;
+
+        if ( ! isset( $wp_query ) ) {
+                _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
+                return false;
+        }
+
+        if ( ! empty( $format ) ) {
+                if ( is_array( $format ) ) {
+                        foreach ( $format as &$value ) {
+                                $value = 'post-format-' . $value;
+                        }
+                } else {
+                        $format = 'post-format-' . $format;
+                }
+        }
+
+        return $wp_query->is_tax( 'post_format', $format );
+}
+
+/**
  * Whether the current URL is within the comments popup window.
  *
  * @see WP_Query::is_comments_popup()