Zend_Http_Client::_openTempStream PHP Method

    protected function _openTempStream()
    {
        $this->_stream_name = $this->config['output_stream'];
        if (!is_string($this->_stream_name)) {
            // If name is not given, create temp name
            $this->_stream_name = tempnam(isset($this->config['stream_tmp_dir']) ? $this->config['stream_tmp_dir'] : sys_get_temp_dir(), 'Zend_Http_Client');
        }
        if (false === ($fp = @fopen($this->_stream_name, "w+b"))) {
            if ($this->adapter instanceof Zend_Http_Client_Adapter_Interface) {
                $this->adapter->close();
            }
            require_once 'Zend/Http/Client/Exception.php';
            throw new Zend_Http_Client_Exception("Could not open temp file {$this->_stream_name}");
        }
        return $fp;
    }