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<?php |
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/* |
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* This file is part of the Pinterest PHP library. |
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* |
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* (c) Hans Ott <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE.md. |
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* |
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* Source: https://github.com/hansott/pinterest-php |
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*/ |
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namespace Pinterest\Http; |
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use Pinterest\Http\Exceptions\MalformedJson; |
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/** |
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* The response class. |
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* |
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* @author Hans Ott <[email protected]> |
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* @author Toon Daelman <[email protected]> |
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*/ |
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final class Response |
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{ |
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/** |
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* The parsed response body. |
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* |
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* @var mixed |
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*/ |
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public $body; |
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/** |
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* The response status code. |
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* |
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* @var int |
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*/ |
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private $statusCode; |
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/** |
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* The raw response body. |
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* |
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* @var string |
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*/ |
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private $rawBody; |
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/** |
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* The HTTP headers. |
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* |
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* @var array |
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*/ |
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private $headers; |
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/** |
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* The processed result. |
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* |
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* @var mixed |
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*/ |
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private $result; |
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/** |
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* The request object. |
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* |
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* @var Request |
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*/ |
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private $request; |
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/** |
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* The constructor. |
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* |
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* @param Request $request The request object. |
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* @param int $statusCode The status code. |
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* @param string $rawBody The raw response body. |
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* @param array $headers A key => value representation of response headers. |
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* |
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* @throws MalformedJson |
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*/ |
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public function __construct(Request $request, $statusCode, $rawBody, array $headers) |
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{ |
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$this->request = $request; |
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$this->statusCode = (int) $statusCode; |
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$this->rawBody = (string) $rawBody; |
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$this->body = $this->parseJson($this->rawBody); |
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$this->headers = $headers; |
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} |
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/** |
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* Checks if the response is okay. |
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* |
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* @return bool Whether the response is okay. |
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*/ |
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public function ok() |
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{ |
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return ( |
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!isset($this->body->error) |
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&& $this->statusCode >= 200 |
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&& $this->statusCode < 300 |
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); |
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} |
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/** |
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* Get the HTTP status code. |
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* |
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* @return int |
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*/ |
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public function getStatusCode() |
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{ |
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return $this->statusCode; |
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} |
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/** |
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* Get the error message. |
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* |
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* @return null|string |
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*/ |
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public function getError() |
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{ |
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return !empty($this->body->message) ? (string) $this->body->message : null; |
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} |
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/** |
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* Checks if the response is rate-limited. |
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* |
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* @return bool Whether the response is rate-limited. |
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*/ |
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public function rateLimited() |
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{ |
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return $this->statusCode === 429; |
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} |
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/** |
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* Parse the response json. |
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* |
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* @param string $rawBody The raw response body. |
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* @param bool $toArray Return as array? |
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* |
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* @throws MalformedJson |
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* |
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* @return mixed The parsed json. |
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*/ |
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private function parseJson($rawBody, $toArray = false) |
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{ |
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$json = json_decode($rawBody, $toArray); |
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if (json_last_error() === JSON_ERROR_NONE) { |
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return $json; |
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} else { |
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throw new MalformedJson(); |
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} |
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} |
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/** |
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* Get the processed result. |
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* |
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* @return mixed The processed result. |
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*/ |
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public function result() |
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{ |
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return $this->result; |
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} |
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/** |
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* Set the processed result. |
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* |
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* @param mixed $result The result. |
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* |
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* @return $this |
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*/ |
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public function setResult($result) |
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{ |
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$this->result = $result; |
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return $this; |
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} |
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/** |
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* Get the request object. |
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* |
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* @return Request |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* Get the HTTP Headers. |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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/** |
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* Get a specific HTTP header. |
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* |
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* @param string $header |
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* |
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* @return string|null The header value. |
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*/ |
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public function getHeader($header) |
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{ |
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$header = strtolower($header); |
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foreach ($this->headers as $name => $value) { |
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if (strtolower($name) === $header) { |
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return $value; |
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} |
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} |
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return null; |
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} |
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/** |
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* Get the rate-limit. |
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* |
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* @return int|null The rate-limit. |
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*/ |
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public function getRateLimit() |
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{ |
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$limit = $this->getHeader('X-RateLimit-Limit'); |
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return is_numeric($limit) ? (int) $limit : null; |
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} |
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/** |
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* Get the remaining requests before reaching the rate-limit. |
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* |
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* @return int|null The remaining requests. |
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*/ |
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public function getRemainingRequests() |
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{ |
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$remaining = $this->getHeader('X-RateLimit-Remaining'); |
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return is_numeric($remaining) ? (int) $remaining : null; |
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} |
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} |
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