public function setReturnType($returnType)
    {
        if (!in_array($returnType, array(static::RETURN_OBJECT, static::RETURN_ARRAY))) {
            throw new InvalidArgumentException(sprintf('Invalid return type "%s" given.', $returnType));
        }

        $this->returnType = $returnType;

        return $this;
    }
public function setReturnType($returnType)
    {
        if (!in_array($returnType, array(static::RETURN_OBJECT, static::RETURN_ARRAY))) {
            throw new InvalidArgumentException(sprintf('Invalid return type "%s" given.', $returnType));
        }

        $this->returnType = $returnType;

        return $this;
    }
public function setReturnType ( $ returnType ) { if ( ! in_array ( $ returnType , array ( static :: RETURN_OBJECT , static :: RETURN_ARRAY ) ) ) { throw new InvalidArgumentException ( sprintf ( 'Invalid return type "%s" given.' , $ returnType ) ) ; } $ this -> returnType = $ returnType ; return $ this ; }
Sets the return type of responses.

@param string $returnType

@return self
@throws InvalidArgumentException
Sets the return type of responses .