Ticket #13468: 13468-2.patch

wp-includes/user.php

@@ -621 +621 @@
                 if ( $show_option_all )
                         $output .= "\t<option value='0'>$show_option_all</option>\n";
 
-                if ( $show_option_none )
-                        $output .= "\t<option value='-1'>$show_option_none</option>\n";
+                if ( $show_option_none ) {
+                        $_selected = selected( -1, $selected, false );
+                        $output .= "\t<option value='-1'$_selected>$show_option_none</option>\n";
+                }
 
                 foreach ( (array) $users as $user ) {
                         $user->ID = (int) $user->ID;
-                        $_selected = $user->ID == $selected ? " selected='selected'" : '';
+                        $_selected = selected( $user->ID, $selected, false );
                         $display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')';
                         $output .= "\t<option value='$user->ID'$_selected>" . esc_html($display) . "</option>\n";
                 }