protected function setWarningsExist()
    {
        $this->warningsExist = true;
        if ($this->parent !== null) {
            $this->parent->setWarningsExist();
        }
    }
protected function setWarningsExist()
    {
        $this->warningsExist = true;
        if ($this->parent !== null) {
            $this->parent->setWarningsExist();
        }
    }
protected function setWarningsExist ( ) { $ this -> warningsExist = true ; if ( $ this -> parent !== null ) { $ this -> parent -> setWarningsExist ( ) ; } }
Sets the warning cache to true and propagates the information
upwards the Result-Object Tree

@return void
Sets the warning cache to true and propagates the information upwards the Result - Object Tree