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     }

761             else
762                 $query->selects=array("COUNT(*)");
763 
764             $query->orders=$query->groups=$query->havings=array();
765             $command=$query->createCommand($this->_builder);
766             return $command->queryScalar();
767         }
768     }
769 
770     /**
771      * Calls {@link CActiveRecord::afterFind} of all the records.

146 
147         $alias=$criteria->alias===null ? 't' : $criteria->alias;
148         $this->_joinTree->tableAlias=$alias;
149         $this->_joinTree->rawTableAlias=$this->_builder->getSchema()->quoteTableName($alias);
150 
151         $n=$this->_joinTree->count($criteria);
152         $this->destroyJoinTree();
153         return $n;
154     }
155 
156     /**

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         }
1615     }
1616 
1617     /**
1618      * Finds the number of rows that have the specified attribute values.

125             ob_implicit_flush(false);
126             require($_viewFile_);
127             return ob_get_clean();
128         }
129         else
130             require($_viewFile_);
131     }
132 
133     /**
134      * Creates a widget and initializes it.
135      * This method first creates the specified widget instance.

090     {
091         $widgetCount=count($this->_widgetStack);
092         if(($renderer=Yii::app()->getViewRenderer())!==null && $renderer->fileExtension==='.'.CFileHelper::getExtension($viewFile))
093             $content=$renderer->renderFile($this,$viewFile,$data,$return);
094         else
095             $content=$this->renderInternal($viewFile,$data,$return);
096         if(count($this->_widgetStack)===$widgetCount)
097             return $content;
098         else
099         {
100             $widget=end($this->_widgetStack);

239      * @see getViewFile
240      */
241     public function render($view,$data=null,$return=false)
242     {
243         if(($viewFile=$this->getViewFile($view))!==false)
244             return $this->renderFile($viewFile,$data,$return);
245         else
246             throw new CException(Yii::t('yii','{widget} cannot find the view "{view}".',
247                 array('{widget}'=>get_class($this), '{view}'=>$view)));
248     }
249 }

177             return ob_get_clean();
178         }
179         else
180         {
181             $widget=$this->createWidget($className,$properties);
182             $widget->run();
183             return $widget;
184         }
185     }
186 
187     /**

121             $data=$_data_;
122         if($_return_)
123         {
124             ob_start();
125             ob_implicit_flush(false);
126             require($_viewFile_);
127             return ob_get_clean();
128         }
129         else
130             require($_viewFile_);
131     }

090     {
091         $widgetCount=count($this->_widgetStack);
092         if(($renderer=Yii::app()->getViewRenderer())!==null && $renderer->fileExtension==='.'.CFileHelper::getExtension($viewFile))
093             $content=$renderer->renderFile($this,$viewFile,$data,$return);
094         else
095             $content=$this->renderInternal($viewFile,$data,$return);
096         if(count($this->_widgetStack)===$widgetCount)
097             return $content;
098         else
099         {
100             $widget=end($this->_widgetStack);

867      */
868     public function renderPartial($view,$data=null,$return=false,$processOutput=false)
869     {
870         if(($viewFile=$this->getViewFile($view))!==false)
871         {
872             $output=$this->renderFile($viewFile,$data,true);
873             if($processOutput)
874                 $output=$this->processOutput($output);
875             if($return)
876                 return $output;
877             else

780      */
781     public function render($view,$data=null,$return=false)
782     {
783         if($this->beforeRender($view))
784         {
785             $output=$this->renderPartial($view,$data,true);
786             if(($layoutFile=$this->getLayoutFile($this->layout))!==false)
787                 $output=$this->renderFile($layoutFile,array('content'=>$output),true);
788 
789             $this->afterRender($view,$output);
790 

44         $controller=$this->getController();
45         $method=new ReflectionMethod($controller, $methodName);
46         if($method->getNumberOfParameters()>0)
47             return $this->runWithParamsInternal($controller, $method, $params);
48 
49         $controller->$methodName();
50         return true;
51     }
52 }

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;

129             $filter=$this->itemAt($this->filterIndex++);
130             Yii::trace('Running filter '.($filter instanceof CInlineFilter ? get_class($this->controller).'.filter'.$filter->name.'()':get_class($filter).'.filter()'),'system.web.filters.CFilterChain');
131             $filter->filter($this);
132         }
133         else
134             $this->controller->runAction($this->action);
135     }
136 }

286             $this->runAction($action);
287         else
288         {
289             $priorAction=$this->_action;
290             $this->_action=$action;
291             CFilterChain::create($this,$action,$filters)->run();
292             $this->_action=$priorAction;
293         }
294     }
295 
296     /**

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     /**