public function getFeedback($label)
    {
        $feedback = array();
        foreach ($this as $campaign)
            if ($campaign->hasFeedback($label))
                $feedback[] = $campaign->getFeedback($label);

        return implode(PHP_EOL, $feedback);
    }
public function getFeedback($label)
    {
        $feedback = array();
        foreach ($this as $campaign)
            if ($campaign->hasFeedback($label))
                $feedback[] = $campaign->getFeedback($label);

        return implode(PHP_EOL, $feedback);
    }
public function getFeedback ( $ label ) { $ feedback = array ( ) ; foreach ( $ this as $ campaign ) if ( $ campaign -> hasFeedback ( $ label ) ) $ feedback [ ] = $ campaign -> getFeedback ( $ label ) ; return implode ( PHP_EOL , $ feedback ) ; }
Returns all feedback texts for the given label, concatenated with
PHP_EOL.

@see Campaign::getFeedback()
@param string $label
@return string
Returns all feedback texts for the given label concatenated with PHP_EOL .