Swift_Signers_DKIMSigner::setBodySignedLen PHP Method

    public function setBodySignedLen($len)
    {
        if ($len === true) {
            $this->showLen = true;
            $this->maxLen = PHP_INT_MAX;
        } elseif ($len === false) {
            $this->showLen = false;
            $this->maxLen = PHP_INT_MAX;
        } else {
            $this->showLen = true;
            $this->maxLen = (int) $len;
        }
        return $this;
    }