<?php

declare(strict_types=1);

namespace GuzzleHttp\Promise;

final class Each
{
    /**
     * Given an iterator that yields promises or values, returns a promise that
     * is fulfilled with a null value when the iterator has been consumed or
     * the aggregate promise has been fulfilled or rejected.
     *
     * $onFulfilled is a function that accepts the fulfilled value, iterator
     * index, and the aggregate promise. The callback can invoke any necessary
     * side effects and choose to resolve or reject the aggregate if needed.
     *
     * $onRejected is a function that accepts the rejection reason, iterator
     * index, and the aggregate promise. The callback can invoke any necessary
     * side effects and choose to resolve or reject the aggregate if needed.
     *
     * @param mixed $iterable Iterator or array to iterate over.
     */
    public static function of(
        $iterable,
        ?callable $onFulfilled = null,
        ?callable $onRejected = null
    ): PromiseInterface {
        return (new EachPromise($iterable, [
            'fulfilled' => $onFulfilled,
            'rejected' => $onRejected,
        ]))->promise();
    }

    /**
     * Like of, but only allows a certain number of outstanding promises at any
     * given time.
     *
     * $concurrency may be an integer or a function that accepts the number of
     * pending promises and returns a numeric concurrency limit value to allow
     * for dynamic a concurrency size.
     *
     * @param mixed        $iterable
     * @param int|callable $concurrency
     */
    public static function ofLimit(
        $iterable,
        $concurrency,
        ?callable $onFulfilled = null,
        ?callable $onRejected = null
    ): PromiseInterface {
        return (new EachPromise($iterable, [
            'fulfilled' => $onFulfilled,
            'rejected' => $onRejected,
            'concurrency' => $concurrency,
        ]))->promise();
    }

    /**
     * Like limit, but ensures that no promise in the given $iterable argument
     * is rejected. If any promise is rejected, then the aggregate promise is
     * rejected with the encountered rejection.
     *
     * @param mixed        $iterable
     * @param int|callable $concurrency
     */
    public static function ofLimitAll(
        $iterable,
        $concurrency,
        ?callable $onFulfilled = null
    ): PromiseInterface {
        return self::ofLimit(
            $iterable,
            $concurrency,
            $onFulfilled,
            function ($reason, $idx, PromiseInterface $aggregate): void {
                $aggregate->reject($reason);
            }
        );
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox