* add empty mode for getPairs method of project model.

module/bug/control.php

@@ -88,7 +88,7 @@ class bug extends control
         $pager = pager::init($recTotal, $recPerPage, $pageID);
 
         /* Get projects. */
-        $projects = $this->loadModel('project')->getPairs() + array('0' => '');
+        $projects = $this->loadModel('project')->getPairs('empty');
 
         /* Get bugs. */
         $bugs = $this->bug->getBugs($productID, $projects, $branch, $browseType, $moduleID, $queryID, $sort, $pager);

module/project/model.php

@@ -522,6 +522,7 @@ class projectModel extends model
             if(strpos($mode, 'noclosed') !== false and $project->status == 'done') continue;
             if($this->checkPriv($project)) $pairs[$project->id] = $project->name;
         }
+        if(strpos($mode, 'empty') !== false) $pairs[0] = '';
 
         /* If the pairs is empty, to make sure there's an project in the pairs. */
         if(empty($pairs) and isset($projects[0]) and $this->checkPriv($projects[0]))