why my biz rules are not stored in database?

I have created the following task.

$bizRule = 'return Yii::app()->user->id==$params["user"]->id;';

$task=$this->_authManager->createTask('updateOwnProfile','update his own profile',$bizrule);

$task->addChild('updateProfile');


$bizRule = 'return Yii::app()->user->id==$params["user"]->id;';

$task=$this->_authManager->createTask('readOwnProfile','update his own profile',$bizrule);

$task->addChild('readProfile');


$bizRule = 'return Yii::app()->user->id==$params["user"]->id;';

$task=$this->_authManager->createTask('deleteOwnProfile','update his own profile',$bizrule);

$task->addChild('deleteProfile');


$bizRule = 'return Yii::app()->user->id==$params["reply"]->user_id;';

$task=$this->_authManager->createTask('updateOwnReply','update his own profile',$bizrule);

$task->addChild('updateReply');

But in the database table authItem doesnot have any bizrule. It shows null.

3036

sorry, I got the mistake $bizRule because i have kept R caps so, in the command line it got neglected without giving error. I got the error of undefined $bizrule when I run it inside controller.