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<?php
/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
interface Requests_Transport {
    /**
     * Perform a request
     *
     * @param string $url URL to request
     * @param array $headers Associative array of request headers
     * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
     * @param array $options Request options, see {@see Requests::response()} for documentation
     * @return string Raw HTTP result
     */
    public function request($url, $headers = array(), $data = array(), $options = array());

    /**
     * Send multiple requests simultaneously
     *
     * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
     * @param array $options Global options, see {@see Requests::response()} for documentation
     * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
     */
    public function request_multiple($requests, $options);

    /**
     * Self-test whether the transport can be used
     * @return bool
     */
    public static function test();
}