<?php

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namespace GuzzleHttp\Promise;

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/**

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* A special exception that is thrown when waiting on a rejected promise.

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*

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* The reason value is available via the getReason() method.

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*/

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class RejectionException extends \RuntimeException

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{

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/** @var mixed Rejection reason. */

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private $reason;

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/**

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* @param mixed $reason Rejection reason.

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* @param string $description Optional description

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*/

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public function __construct($reason, $description = null)

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{

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$this->reason = $reason;

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$message = 'The promise was rejected';

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if ($description) {

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$message .= ' with reason: ' . $description;

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} elseif (is_string($reason)

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|| (is_object($reason) && method_exists($reason, '__toString'))

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) {

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$message .= ' with reason: ' . $this->reason;

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} elseif ($reason instanceof \JsonSerializable) {

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$message .= ' with reason: '

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. json_encode($this->reason, JSON_PRETTY_PRINT);

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}

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parent::__construct($message);

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}

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/**

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* Returns the rejection reason.

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*

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* @return mixed

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*/

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public function getReason()

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{

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return $this->reason;

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}

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}

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