public function addFeedback(array $feedback)
    {
        foreach($feedback as $label => $text)
            $this->feedback[$label] = (string)$text;
    }
public function addFeedback(array $feedback)
    {
        foreach($feedback as $label => $text)
            $this->feedback[$label] = (string)$text;
    }
public function addFeedback ( array $ feedback ) { foreach ( $ feedback as $ label => $ text ) $ this -> feedback [ $ label ] = ( string ) $ text ; }
In case of a collision of keys, the existing feedback string will be
overwritten.

@param string[]
In case of a collision of keys the existing feedback string will be overwritten .