Ticket #31186: 31186(1).patch

author-template.php

@@ -69 +69 @@
  * Retrieve the author who last edited the current post.
  *
  * @since 2.8.0
+ * @since 4.3.0 Added the `$field` parameter.
+ * @param string $field Optional. User field to retrieve for the modified author. Accepts any WP_User field. Default 'display_name'.
  *
  * @return string The author's display name.
  */
-function get_the_modified_author() {
+function get_the_modified_author( $field = 'display_name' ) {
         if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
                 $last_user = get_userdata($last_id);
+                
+                if ( in_array ( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ) ) )
+                $field = 'user_' . $field;
+                if( ! isset ( $last_user->$field ) )
+                                $field = '';
 
                 /**
                  * Filter the display name of the author who last edited the current post.
@@ -83 +90 @@
                  *
                  * @param string $last_user->display_name The author's display name.
                  */
-                return apply_filters('the_modified_author', $last_user->display_name);
+                return apply_filters('the_modified_author', $last_user->$field);
         }
 }
 
@@ -91 +98 @@
  * Display the name of the author who last edited the current post.
  *
  * @since 2.8.0
+ * @since 4.3.0 Added the `$field` parameter.
+ * @param string $field Optional. User field to retrieve for the modified author. Accepts any WP_User field. Default 'display_name'.
  *
  * @see get_the_author()
  * @return string The author's display name, from get_the_modified_author().
  */
-function the_modified_author() {
-        echo get_the_modified_author();
+function the_modified_author( $field = 'display_name' ) {
+        echo get_the_modified_author( $field );
 }
 
 /**