Diff: STRATO-apps/wordpress_03/app/wp-content/plugins/tutor-pro/vendor/guzzlehttp/promises/src/Create.php
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<?php
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declare(strict_types=1);
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namespace GuzzleHttp\Promise;
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final class Create
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{
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/**
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* Creates a promise for a value if the value is not a promise.
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*
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* @param mixed $value Promise or value.
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*/
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public static function promiseFor($value): PromiseInterface
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{
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if ($value instanceof PromiseInterface) {
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return $value;
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}
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// Return a Guzzle promise that shadows the given promise.
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if (is_object($value) && method_exists($value, 'then')) {
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$wfn = method_exists($value, 'wait') ? [$value, 'wait'] : null;
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$cfn = method_exists($value, 'cancel') ? [$value, 'cancel'] : null;
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$promise = new Promise($wfn, $cfn);
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$value->then([$promise, 'resolve'], [$promise, 'reject']);
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return $promise;
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}
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return new FulfilledPromise($value);
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}
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/**
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* Creates a rejected promise for a reason if the reason is not a promise.
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* If the provided reason is a promise, then it is returned as-is.
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*
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* @param mixed $reason Promise or reason.
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*/
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public static function rejectionFor($reason): PromiseInterface
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{
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if ($reason instanceof PromiseInterface) {
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return $reason;
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}
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return new RejectedPromise($reason);
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}
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/**
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* Create an exception for a rejected promise value.
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*
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* @param mixed $reason
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*/
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public static function exceptionFor($reason): \Throwable
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{
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if ($reason instanceof \Throwable) {
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return $reason;
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}
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return new RejectionException($reason);
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}
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/**
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* Returns an iterator for the given value.
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*
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* @param mixed $value
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*/
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public static function iterFor($value): \Iterator
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{
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if ($value instanceof \Iterator) {
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return $value;
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}
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if (is_array($value)) {
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return new \ArrayIterator($value);
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}
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return new \ArrayIterator([$value]);
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}
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}
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