framework/caching/CCache.php
public function delete($id)
	{
		Yii::trace('Deleting "'.$id.'" from cache','system.caching.'.get_class($this));
		return $this->deleteValue($this->generateUniqueKey($id));
	}
public function delete($id)
	{
		Yii::trace('Deleting "'.$id.'" from cache','system.caching.'.get_class($this));
		return $this->deleteValue($this->generateUniqueKey($id));
	}
public function delete ( $ id ) { Yii :: trace ( 'Deleting "' . $ id . '" from cache' , 'system.caching.' . get_class ( $ this ) ) ; return $ this -> deleteValue ( $ this -> generateUniqueKey ( $ id ) ) ; }
Deletes a value with the specified key from cache
@param string $id the key of the value to be deleted
@return boolean if no error happens during deletion
Deletes a value with the specified key from cache