Ticket #27181: 27181.2.patch

src/wp-includes/general-template.php

@@ -1430 +1430 @@
  * @since 3.0.0
  *
  * @param string $d Optional. PHP date format defaults to the date_format option if not specified.
- * @return string|null Null if displaying, string if retrieving.
+ * @return string Date the current $post was written.
  */
 function get_the_date( $d = '' ) {
         $post = get_post();
-        $the_date = '';
 
-        if ( '' == $d )
-                $the_date .= mysql2date(get_option('date_format'), $post->post_date);
-        else
-                $the_date .= mysql2date($d, $post->post_date);
+        if ( '' == $d ) {
+                $d = get_option( 'date_format' );
+        }
+        $the_date = mysql2date( $d, $post->post_date );
 
-        return apply_filters('get_the_date', $the_date, $d);
+        return apply_filters( 'get_the_date', $the_date, $d );
 }
 
 /**