← All changes | integrations/mailchimp/vendor/guzzlehttp/promises/src/Create.php +79 -0 5.7.2 → 6.0.4 View file →

		@@ -1,0 +1,79 @@
	1	+<?php
	2	+
	3	+declare(strict_types=1);
	4	+
	5	+namespace GuzzleHttp\Promise;
	6	+
	7	+final class Create
	8	+{
	9	+ /**
	10	+ * Creates a promise for a value if the value is not a promise.
	11	+ *
	12	+ * @param mixed $value Promise or value.
	13	+ */
	14	+ public static function promiseFor($value): PromiseInterface
	15	+ {
	16	+ if ($value instanceof PromiseInterface) {
	17	+ return $value;
	18	+ }
	19	+
	20	+ // Return a Guzzle promise that shadows the given promise.
	21	+ if (is_object($value) && method_exists($value, 'then')) {
	22	+ $wfn = method_exists($value, 'wait') ? [$value, 'wait'] : null;
	23	+ $cfn = method_exists($value, 'cancel') ? [$value, 'cancel'] : null;
	24	+ $promise = new Promise($wfn, $cfn);
	25	+ $value->then([$promise, 'resolve'], [$promise, 'reject']);
	26	+
	27	+ return $promise;
	28	+ }
	29	+
	30	+ return new FulfilledPromise($value);
	31	+ }
	32	+
	33	+ /**
	34	+ * Creates a rejected promise for a reason if the reason is not a promise.
	35	+ * If the provided reason is a promise, then it is returned as-is.
	36	+ *
	37	+ * @param mixed $reason Promise or reason.
	38	+ */
	39	+ public static function rejectionFor($reason): PromiseInterface
	40	+ {
	41	+ if ($reason instanceof PromiseInterface) {
	42	+ return $reason;
	43	+ }
	44	+
	45	+ return new RejectedPromise($reason);
	46	+ }
	47	+
	48	+ /**
	49	+ * Create an exception for a rejected promise value.
	50	+ *
	51	+ * @param mixed $reason
	52	+ */
	53	+ public static function exceptionFor($reason): \Throwable
	54	+ {
	55	+ if ($reason instanceof \Throwable) {
	56	+ return $reason;
	57	+ }
	58	+
	59	+ return new RejectionException($reason);
	60	+ }
	61	+
	62	+ /**
	63	+ * Returns an iterator for the given value.
	64	+ *
	65	+ * @param mixed $value
	66	+ */
	67	+ public static function iterFor($value): \Iterator
	68	+ {
	69	+ if ($value instanceof \Iterator) {
	70	+ return $value;
	71	+ }
	72	+
	73	+ if (is_array($value)) {
	74	+ return new \ArrayIterator($value);
	75	+ }
	76	+
	77	+ return new \ArrayIterator([$value]);
	78	+ }
	79	+}