src/LightSaml/Model/Protocol/AuthnRequest.php
public function setIsPassive($isPassive)
    {
        $this->isPassive = 0 == strcasecmp($isPassive, 'true') || true === $isPassive || 1 == $isPassive;

        return $this;
    }
public function setIsPassive($isPassive)
    {
        $this->isPassive = 0 == strcasecmp($isPassive, 'true') || true === $isPassive || 1 == $isPassive;

        return $this;
    }
@param bool|null $isPassive

@return AuthnRequest