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<?php |
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/** |
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* This file is part of the alphaz Framework. |
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* |
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* @author Muhammad Umer Farooq <[email protected]> |
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* |
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* @author-profile https://www.facebook.com/Muhammadumerfarooq01/ |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @since 1.0.0 |
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* |
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* @license MIT |
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*/ |
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namespace alphaz\http\Clients; |
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abstract class AbstractClient |
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{ |
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/** |
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* Client resource object. |
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* |
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* @since 1.0.0 |
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* |
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* @var object |
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*/ |
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protected $resource = ''; |
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/** |
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* URL. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $url = ''; |
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/** |
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* Method. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $method = ''; |
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/** |
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* Fields. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $fields = []; |
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/** |
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* Query. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $query = ''; |
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/** |
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* Request headers. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $requestHeaders = []; |
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/** |
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* HTTP version from response. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $version = ''; |
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/** |
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* Response code. |
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* |
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* @since 1.0.0 |
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* |
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* @var int |
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*/ |
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protected $code; |
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/** |
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* Response message. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $message = ''; |
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/** |
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* Raw response string. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $response = ''; |
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/** |
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* Raw response header. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $responseHeader = ''; |
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/** |
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* Response headers. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $responseHeaders = []; |
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/** |
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* Response body. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $body = ''; |
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/** |
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* CURL options. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $options = []; |
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/** |
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* Stream context. |
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* |
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* @since 1.0.0 |
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* |
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* @var resource |
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*/ |
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protected $context = null; |
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/** |
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* Stream context options. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $contextOptions = []; |
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/** |
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* Stream context parameters. |
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* |
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* @since 1.0.0 |
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* |
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* @var array |
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*/ |
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protected $contextParams = []; |
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/** |
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* HTTP Response Headers. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $httpResponseHeaders = null; |
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/** |
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* Stream mode. |
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* |
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* @since 1.0.0 |
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* |
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* @var string |
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*/ |
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protected $mode = 'r'; |
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/** |
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* Set the URL. |
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* |
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* @param (string) $url |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setUrl($url) |
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{ |
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$this->url = $url; |
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return $this; |
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} |
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/** |
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* Get the URL. |
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* |
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* @since 1.0.0 |
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* |
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* @return string |
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*/ |
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public function getUrl() |
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{ |
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return $this->url; |
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} |
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/** |
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* Set the method. |
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* |
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* @param (string) $method |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setMethod($method) |
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{ |
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$valid = ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'HEAD', 'OPTIONS', 'TRACE', 'CONNECT']; |
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$method = strtoupper($method); |
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if (!in_array($method, $valid)) { |
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throw new \Exception('Error: That request method is not valid.'); |
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} |
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$this->method = $method; |
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return $this; |
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} |
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/** |
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* Get the method. |
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* |
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* @since 1.0.0 |
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* |
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* @return string |
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*/ |
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public function getMethod() |
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{ |
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return $this->method; |
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} |
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/** |
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* Set the fields. |
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* |
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* @param (string) $name |
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* (string) $value |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setField($name, $value) |
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{ |
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$this->fields[$name] = $value; |
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return $this; |
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} |
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/** |
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* Set fields. |
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* |
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* @param (array) $fields |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setFields(array $fields) |
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{ |
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foreach ($fields as $name => $value) { |
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$this->setField($name, $value); |
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} |
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$this->prepareQuery(); |
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return $this; |
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} |
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/** |
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* Get a field. |
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* |
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* @param (string) $name name of field |
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* |
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* @since 1.0.0 |
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* |
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* @return string |
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*/ |
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public function getField($name) |
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{ |
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return (isset($this->fields[$name])) ? $this->fields[$name] : false; |
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} |
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/** |
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* Remove a field. |
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* |
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* @param (string) $name name of field |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function removeField($name) |
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{ |
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if (isset($this->fields[$name])) { |
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unset($this->fields[$name]); |
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} |
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$this->prepareQuery(); |
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return $this; |
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} |
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/** |
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* Prepare the HTTP query. |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function prepareQuery() |
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{ |
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$this->query = http_build_query($this->fields); |
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return $this; |
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} |
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/** |
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* Get the HTTP query. |
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* @since 1.0.0 |
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* |
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* @return string |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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/** |
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* Get HTTP query length. |
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* |
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* @param (bool) $mb |
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* |
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* @since 1.0.0 |
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* |
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* @return int |
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*/ |
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public function getQueryLength($mb = true) |
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{ |
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return ($mb) ? mb_strlen($this->query) : strlen($this->query); |
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} |
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/** |
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* Set a request header. |
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* |
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* @param (string) $name |
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* @param (string) $value |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setRequestHeader($name, $value) |
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{ |
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$this->requestHeaders[$name] = $value; |
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return $this; |
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} |
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/** |
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* Set all request headers. |
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* |
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* @param (arryay) $headers |
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* |
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* @since 1.0.0 |
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* |
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* @return object |
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*/ |
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public function setRequestHeaders(array $headers) |
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{ |
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$this->requestHeaders = $headers; |
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return $this; |
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} |
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/** |
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* Get a request header. |
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* |
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* @param (string) $name |
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* |
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* @since 1.0.0 |
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* |
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* @return mixed |
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*/ |
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public function getRequestHeader($name) |
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{ |
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return (isset($this->requestHeaders[$name])) ? $this->requestHeaders[$name] : null; |
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} |
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/** |
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* Get all request headers. |
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* |
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* @since 1.0.0 |
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* |
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* @return array |
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*/ |
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public function getRequestHeaders() |
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{ |
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return $this->requestHeaders; |
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} |
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/** |
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* Determine if there are request headers. |
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* |
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* @since 1.0.0 |
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* |
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* @return bool |
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*/ |
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public function hasRequestHeaders() |
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{ |
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return count($this->requestHeaders) > 0; |
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} |
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|
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/** |
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* Get a response header. |
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|
|
* |
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* @param (string) $name |
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* |
442
|
|
|
* @since 1.0.0 |
443
|
|
|
* |
444
|
|
|
* @return mixed |
445
|
|
|
*/ |
446
|
|
|
public function getResponseHeader($name) |
447
|
|
|
{ |
448
|
|
|
return (isset($this->responseHeaders[$name])) ? $this->responseHeaders[$name] : null; |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
/** |
452
|
|
|
* Get all response headers. |
453
|
|
|
* |
454
|
|
|
* @since 1.0.0 |
455
|
|
|
* |
456
|
|
|
* @return array |
457
|
|
|
*/ |
458
|
|
|
public function getResponseHeaders() |
459
|
|
|
{ |
460
|
|
|
return $this->responseHeaders; |
461
|
|
|
} |
462
|
|
|
|
463
|
|
|
/** |
464
|
|
|
* Determine if there are response headers. |
465
|
|
|
* |
466
|
|
|
* @since 1.0.0 |
467
|
|
|
* |
468
|
|
|
* @return bool |
469
|
|
|
*/ |
470
|
|
|
public function hasResponseHeaders() |
471
|
|
|
{ |
472
|
|
|
return count($this->responseHeaders) > 0; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
/** |
476
|
|
|
* Get raw response header. |
477
|
|
|
* |
478
|
|
|
* @since 1.0.0 |
479
|
|
|
* |
480
|
|
|
* @return string |
481
|
|
|
*/ |
482
|
|
|
public function getRawResponseHeader() |
483
|
|
|
{ |
484
|
|
|
return $this->responseHeader; |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
/** |
488
|
|
|
* Get the response body. |
489
|
|
|
* |
490
|
|
|
* @since 1.0.0 |
491
|
|
|
* |
492
|
|
|
* @return string |
493
|
|
|
*/ |
494
|
|
|
public function getBody() |
495
|
|
|
{ |
496
|
|
|
return $this->body; |
497
|
|
|
} |
498
|
|
|
|
499
|
|
|
/** |
500
|
|
|
* Get the response code. |
501
|
|
|
* |
502
|
|
|
* @since 1.0.0 |
503
|
|
|
* |
504
|
|
|
* @return string |
505
|
|
|
*/ |
506
|
|
|
public function getCode() |
507
|
|
|
{ |
508
|
|
|
return $this->code; |
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
/** |
512
|
|
|
* Get the response HTTP version. |
513
|
|
|
* |
514
|
|
|
* @since 1.0.0 |
515
|
|
|
* |
516
|
|
|
* @return string |
517
|
|
|
*/ |
518
|
|
|
public function getHttpVersion() |
519
|
|
|
{ |
520
|
|
|
return $this->version; |
521
|
|
|
} |
522
|
|
|
|
523
|
|
|
/** |
524
|
|
|
* Get the response HTTP message. |
525
|
|
|
* |
526
|
|
|
* @since 1.0.0 |
527
|
|
|
* |
528
|
|
|
* @return string |
529
|
|
|
*/ |
530
|
|
|
public function getMessage() |
531
|
|
|
{ |
532
|
|
|
return $this->message; |
533
|
|
|
} |
534
|
|
|
|
535
|
|
|
/** |
536
|
|
|
* Get the raw response. |
537
|
|
|
* |
538
|
|
|
* @since 1.0.0 |
539
|
|
|
* |
540
|
|
|
* @return string |
541
|
|
|
*/ |
542
|
|
|
public function getResponse() |
543
|
|
|
{ |
544
|
|
|
return $this->response; |
545
|
|
|
} |
546
|
|
|
|
547
|
|
|
/** |
548
|
|
|
* Determine whether or not resource is available. |
549
|
|
|
* |
550
|
|
|
* @since 1.0.0 |
551
|
|
|
* |
552
|
|
|
* @return bool |
553
|
|
|
*/ |
554
|
|
|
public function hasResource() |
555
|
|
|
{ |
556
|
|
|
return is_resource($this->resource); |
557
|
|
|
} |
558
|
|
|
|
559
|
|
|
/** |
560
|
|
|
* Get the resource. |
561
|
|
|
* |
562
|
|
|
* @since 1.0.0 |
563
|
|
|
* |
564
|
|
|
* @return resource |
565
|
|
|
*/ |
566
|
|
|
public function getResource() |
567
|
|
|
{ |
568
|
|
|
return $this->resource; |
|
|
|
|
569
|
|
|
} |
570
|
|
|
|
571
|
|
|
/** |
572
|
|
|
* Decode the body. |
573
|
|
|
* |
574
|
|
|
* @since 1.0.0 |
575
|
|
|
* |
576
|
|
|
* @return void |
577
|
|
|
*/ |
578
|
|
|
public function decodeBody() |
579
|
|
|
{ |
580
|
|
|
$this->body = Response::decodeBody($this->body, $this->responseHeaders['Content-Encoding']); |
|
|
|
|
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
/** |
584
|
|
|
* Create and open the client resource. |
585
|
|
|
* |
586
|
|
|
* @since 1.0.0 |
587
|
|
|
* |
588
|
|
|
* @return AbstractClient |
589
|
|
|
*/ |
590
|
|
|
abstract public function open(); |
591
|
|
|
|
592
|
|
|
/** |
593
|
|
|
* Method to send the request and get the response. |
594
|
|
|
* |
595
|
|
|
* @since 1.0.0 |
596
|
|
|
* |
597
|
|
|
* @return void |
598
|
|
|
*/ |
599
|
|
|
abstract public function send(); |
600
|
|
|
|
601
|
|
|
/** |
602
|
|
|
* Close the client resource. |
603
|
|
|
* |
604
|
|
|
* @since 1.0.0 |
605
|
|
|
* |
606
|
|
|
* @return void |
607
|
|
|
*/ |
608
|
|
|
abstract public function close(); |
609
|
|
|
} |
610
|
|
|
|
If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled.