src/Collection.php
protected function prepareTagFromBits($additional_identifier, $visitor_identifier, $hash)
    {
        return implode(',', [$this->getApplicationIdentifier(), 'collection', get_class($this), $additional_identifier, $visitor_identifier, $hash]);
    }
protected function prepareTagFromBits($additional_identifier, $visitor_identifier, $hash)
    {
        return implode(',', [$this->getApplicationIdentifier(), 'collection', get_class($this), $additional_identifier, $visitor_identifier, $hash]);
    }
Prepare collection tag from bits of information.

@param  string $additional_identifier
@param  string $visitor_identifier
@param  string $hash
@return string