PHP warning

 session_regenerate_id() [<a href='function.session-regenerate-id'>function.session-regenerate-id</a>]: Cannot regenerate session id - headers already sent

...\yii\framework\web\CHttpSession.php(182)
170     {
171         session_id($value);
172     }
173
174     /**
175      * Updates the current session id with a newly generated one .
176      * Please refer to {@link http://php.net/session_regenerate_id} for more details.
177      * @param boolean $deleteOldSession Whether to delete the old associated session file or not.
178      * @since 1.1.8
179      */
180     public function regenerateID($deleteOldSession=false)
181     {
182         session_regenerate_id($deleteOldSession);
183     }
184
185     /**
186      * @return string the current session name
187      */
188     public function getSessionName()
189     {
190         return session_name();
191     }
192
193     /**
194      * @param string $value the session name for the current session, must be an alphanumeric string, defaults to PHPSESSID
Stack Trace #0  –  ...\yii\framework\web\CHttpSession.php(182): session_regenerate_id(true)
177      * @param boolean $deleteOldSession Whether to delete the old associated session file or not.
178      * @since 1.1.8
179      */
180     public function regenerateID($deleteOldSession=false)
181     {
182         session_regenerate_id($deleteOldSession);
183     }
184
185     /**
186      * @return string the current session name
187      */
 #1     –  ...\yii\framework\web\auth\CWebUser.php(700): CHttpSession->regenerateID(true)
695      * @param string $name the display name for the user
696      * @param array $states identity states
697      */
698     protected function changeIdentity($id,$name,$states)
699     {
700         Yii::app()->getSession()->regenerateID(true);
701         $this->setId($id);
702         $this->setName($name);
703         $this->loadIdentityStates($states);
704     }
705
 #2     –  ...\yii\framework\web\auth\CWebUser.php(451): CWebUser->changeIdentity("1", "Dr.Death", array())
446             if(is_array($data) && isset($data[0],$data[1],$data[2],$data[3]))
447             {
448                 list($id,$name,$duration,$states)=$data;
449                 if($this->beforeLogin($id,$states,true))
450                 {
451                     $this->changeIdentity($id,$name,$states);
452                     if($this->autoRenewCookie)
453                     {
454                         $cookie->expire=time()+$duration;
455                         $request->getCookies()->add($cookie->name,$cookie);
456                     }
 #3     –  ...\yii\framework\web\auth\CWebUser.php(196): CWebUser->restoreFromCookie()
191     public function init()
192     {
193         parent::init();
194         Yii::app()->getSession()->open();
195         if($this->getIsGuest() && $this->allowAutoLogin)
196             $this->restoreFromCookie();
197         else if($this->autoRenewCookie && $this->allowAutoLogin)
198             $this->renewCookie();
199         if($this->autoUpdateFlash)
200             $this->updateFlash();
201
 #4     –  ...\yii\framework\base\CModule.php(388): CWebUser->init()
383             if(!isset($config['enabled']) || $config['enabled'])
384             {
385                 Yii::trace("Loading \"$id\" application component",'system.CModule');
386                 unset($config['enabled']);
387                 $component=Yii::createComponent($config);
388                 $component->init();
389                 return $this->_components[$id]=$component;
390             }
391         }
392     }
393
 #5     –  ...\yii\framework\base\CModule.php(104): CModule->getComponent("user")
099      * @return mixed the named property value
100      */
101     public function __get($name)
102     {
103         if($this->hasComponent($name))
104             return $this->getComponent($name);
105         else
106             return parent::__get($name);
107     }
108
109     /**
 #6     –  ...\protected\controllers\CronController.php(6): CModule->__get("user")
01 <?
02
03 class CronController extends Controller {
04     protected function beforeAction($action) {
05         // check key
06         if(Yii::app()->user->isGuest) {
07             $sKey = Yii::app()->input->get('key');
08             if(!$sKey or $sKey != Yii::app()->params['secretKey']) {
09                 throw new CHttpException(404);
10             }
11         }
 #7     –  ...\yii\framework\web\CController.php(307): CronController->beforeAction(CInlineAction)
302      */
303     public function runAction($action)
304     {
305         $priorAction=$this->_action;
306         $this->_action=$action;
307         if($this->beforeAction($action))
308         {
309             if($action->runWithParams($this->getActionParams())===false)
310                 $this->invalidActionParams($action);
311             else
312                 $this->afterAction($action);
 #8     –  ...\yii\framework\web\CController.php(287): CController->runAction(CInlineAction)
282      * @see runAction
283      */
284     public function runActionWithFilters($action,$filters)
285     {
286         if(empty($filters))
287             $this->runAction($action);
288         else
289         {
290             $priorAction=$this->_action;
291             $this->_action=$action;
292             CFilterChain::create($this,$action,$filters)->run();
 #9     –  ...\yii\framework\web\CController.php(266): CController->runActionWithFilters(CInlineAction, array())
261         {
262             if(($parent=$this->getModule())===null)
263                 $parent=Yii::app();
264             if($parent->beforeControllerAction($this,$action))
265             {
266                 $this->runActionWithFilters($action,$this->filters());
267                 $parent->afterControllerAction($this,$action);
268             }
269         }
270         else
271             $this->missingAction($actionID);
 #10    –  ...\yii\framework\web\CWebApplication.php(283): CController->run("ParseSova72Ru")
278         {
279             list($controller,$actionID)=$ca;
280             $oldController=$this->_controller;
281             $this->_controller=$controller;
282             $controller->init();
283             $controller->run($actionID);
284             $this->_controller=$oldController;
285         }
286         else
287             throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',
288                 array('{route}'=>$route===''?$this->defaultController:$route)));
 #11    –  ...\yii\framework\web\CWebApplication.php(142): CWebApplication->runController("cron/ParseSova72Ru")
137             foreach(array_splice($this->catchAllRequest,1) as $name=>$value)
138                 $_GET[$name]=$value;
139         }
140         else
141             $route=$this->getUrlManager()->parseUrl($this->getRequest());
142         $this->runController($route);
143     }
144
145     /**
146      * Registers the core application components.
147      * This method overrides the parent implementation by registering additional core components.
 #12    –  ...\yii\framework\base\CApplication.php(162): CWebApplication->processRequest()
157      */
158     public function run()
159     {
160         if($this->hasEventHandler('onBeginRequest'))
161             $this->onBeginRequest(new CEvent($this));
162         $this->processRequest();
163         if($this->hasEventHandler('onEndRequest'))
164             $this->onEndRequest(new CEvent($this));
165     }
166
167     /**
 #13    –  ...\index.php(22): CApplication->run()
17 }
18
19 $yii = dirname(__FILE__) . '/yii/framework/yii.php';
20 require_once(dirname(__FILE__) . '/protected/include/functions.php');
21 require_once($yii);
22 Yii::createWebApplication($config)->run();
23 ?>