FM / Promise

/home/techb158/exp.abdallabala.com/vendor/sabre/event/lib/Promise/

/home/techb158/exp.abdallabala.com/vendor/sabre/event/lib/Promise

Name	Size	Mode	Actions
functions.php	3459	0644	edit dl rm

Edit: /home/techb158/exp.abdallabala.com/vendor/sabre/event/lib/Promise/functions.php (3459B)

<?php

namespace Sabre\Event\Promise;

use Sabre\Event\Promise;

/**
 * This file contains a set of functions that are useful for dealing with the
 * Promise object.
 *
 * @copyright Copyright (C) 2013-2015 fruux GmbH (https://fruux.com/).
 * @author Evert Pot (http://evertpot.com/)
 * @license http://sabre.io/license/ Modified BSD License
 */

/**
 * This function takes an array of Promises, and returns a Promise that
 * resolves when all of the given arguments have resolved.
 *
 * The returned Promise will resolve with a value that's an array of all the
 * values the given promises have been resolved with.
 *
 * This array will be in the exact same order as the array of input promises.
 *
 * If any of the given Promises fails, the returned promise will immidiately
 * fail with the first Promise that fails, and its reason.
 *
 * @param Promise[] $promises
 * @return Promise
 */
function all(array $promises) {

return new Promise(function($success, $fail) use ($promises) {

$successCount = 0;
        $completeResult = [];

foreach ($promises as $promiseIndex => $subPromise) {

$subPromise->then(
                function($result) use ($promiseIndex, &$completeResult, &$successCount, $success, $promises) {
                    $completeResult[$promiseIndex] = $result;
                    $successCount++;
                    if ($successCount === count($promises)) {
                        $success($completeResult);
                    }
                    return $result;
                }
            )->error(
                function($reason) use ($fail) {
                    $fail($reason);
                }
            );

}
    });

}

/**
 * The race function returns a promise that resolves or rejects as soon as
 * one of the promises in the argument resolves or rejects.
 *
 * The returned promise will resolve or reject with the value or reason of
 * that first promise.
 *
 * @param Promise[] $promises
 * @return Promise
 */
function race(array $promises) {

return new Promise(function($success, $fail) use ($promises) {

$alreadyDone = false;
        foreach ($promises as $promise) {

$promise->then(
                function($result) use ($success, &$alreadyDone) {
                    if ($alreadyDone) {
                        return;
                    }
                    $alreadyDone = true;
                    $success($result);
                },
                function($reason) use ($fail, &$alreadyDone) {
                    if ($alreadyDone) {
                        return;
                    }
                    $alreadyDone = true;
                    $fail($reason);
                }
            );

}

});

}

/**
 * Returns a Promise that resolves with the given value.
 *
 * If the value is a promise, the returned promise will attach itself to that
 * promise and eventually get the same state as the followed promise.
 *
 * @param mixed $value
 * @return Promise
 */
function resolve($value) {

if ($value instanceof Promise) {
        return $value->then();
    } else {
        $promise = new Promise();
        $promise->fulfill($value);
        return $promise;
    }

}

/**
 * Returns a Promise that will reject with the given reason.
 *
 * @param mixed $reason
 * @return Promise
 */
function reject($reason) {

$promise = new Promise();
    $promise->reject($reason);
    return $promise;

}

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