Swift_Signers_DKIMSigner::addToBodyHash PHP Method

    private function addToBodyHash($string)
    {
        $len = strlen($string);
        if ($len > ($new_len = $this->maxLen - $this->bodyLen)) {
            $string = substr($string, 0, $new_len);
            $len = $new_len;
        }
        hash_update($this->bodyHashHandler, $string);
        $this->bodyLen += $len;
    }