Ticket #12613: #12613.patch

wp-admin/includes/template.php

@@ -3738 +3738 @@
                         $per_page_label = __('Plugins per page:');
                         break;
                 default:
-                        return '';
+                        $per_page_label = apply_filters('per_page_label', '', $screen); // for plugins
+                        if (empty($per_page_label)) return '';
         }
 
         $option = str_replace( '-', '_', "{$screen->id}_per_page" );
@@ -3771 +3772 @@
         $return .= "<input type='submit' class='button' value='" . esc_attr__('Apply') . "' />";
         $return .= "<input type='hidden' name='wp_screen_options[option]' value='" . esc_attr($option) . "' />";
         $return .= "</div>\n";
-        return $return;
+
+        return apply_filters('screen_options', $return, $screen);  // for plugins
 }
 
 function screen_icon($screen = '') {