CDbException

428      * @return mixed the value of the first column in the first row of the query result. False is returned if there is no value.
429      * @throws CException execution failed
430      */
431     public function queryScalar($params=array())
432     {
433         $result=$this->queryInternal('fetchColumn',0,$params);
434         if(is_resource($result) && get_resource_type($result)==='stream')
435             return stream_get_contents($result);
436         else
437             return $result;
438     }

1604         $builder=$this->getCommandBuilder();
1605         $criteria=$builder->createCriteria($condition,$params);
1606         $this->applyScopes($criteria);
1607 
1608         if(empty($criteria->with))
1609             return $builder->createCountCommand($this->getTableSchema(),$criteria)->queryScalar();
1610         else
1611         {
1612             $finder=$this->getActiveFinder($criteria->with);
1613             return $finder->count($criteria);
1614         }

71     {
72         $method=new ReflectionMethod($this, 'run');
73         if($method->getNumberOfParameters()>0)
74             return $this->runWithParamsInternal($this, $method, $params);
75 
76         $this->run();
77         return true;
78     }
79 
80     /**
81      * Executes a method of an object with the supplied named parameters.

303     {
304         $priorAction=$this->_action;
305         $this->_action=$action;
306         if($this->beforeAction($action))
307         {
308             if($action->runWithParams($this->getActionParams())===false)
309                 $this->invalidActionParams($action);
310             else
311                 $this->afterAction($action);
312         }
313         $this->_action=$priorAction;

281      * @see runAction
282      */
283     public function runActionWithFilters($action,$filters)
284     {
285         if(empty($filters))
286             $this->runAction($action);
287         else
288         {
289             $priorAction=$this->_action;
290             $this->_action=$action;
291             CFilterChain::create($this,$action,$filters)->run();

260         {
261             if(($parent=$this->getModule())===null)
262                 $parent=Yii::app();
263             if($parent->beforeControllerAction($this,$action))
264             {
265                 $this->runActionWithFilters($action,$this->filters());
266                 $parent->afterControllerAction($this,$action);
267             }
268         }
269         else
270             $this->missingAction($actionID);

277         {
278             list($controller,$actionID)=$ca;
279             $oldController=$this->_controller;
280             $this->_controller=$controller;
281             $controller->init();
282             $controller->run($actionID);
283             $this->_controller=$oldController;
284         }
285         else
286             throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',
287                 array('{route}'=>$route===''?$this->defaultController:$route)));

136             foreach(array_splice($this->catchAllRequest,1) as $name=>$value)
137                 $_GET[$name]=$value;
138         }
139         else
140             $route=$this->getUrlManager()->parseUrl($this->getRequest());
141         $this->runController($route);
142     }
143 
144     /**
145      * Registers the core application components.
146      * This method overrides the parent implementation by registering additional core components.

180     public function run()
181     {
182         if($this->hasEventHandler('onBeginRequest'))
183             $this->onBeginRequest(new CEvent($this));
184         register_shutdown_function(array($this,'end'),0,false);
185         $this->processRequest();
186         if($this->hasEventHandler('onEndRequest'))
187             $this->onEndRequest(new CEvent($this));
188     }
189 
190     /**