<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\EventDispatcher;

use Symfony\Contracts\EventDispatcher\Event;

/**
 * Event encapsulation class.
 *
 * Encapsulates events thus decoupling the observer from the subject they encapsulate.
 *
 * @author Drak <drak@zikula.org>
 *
 * @implements \ArrayAccess<string, mixed>
 * @implements \IteratorAggregate<string, mixed>
 */
class GenericEvent extends Event implements \ArrayAccess, \IteratorAggregate
{
    protected $subject;
    protected $arguments;

    /**
     * Encapsulate an event with $subject and $args.
     *
     * @param mixed $subject   The subject of the event, usually an object or a callable
     * @param array $arguments Arguments to store in the event
     */
    public function __construct(mixed $subject = null, array $arguments = [])
    {
        $this->subject = $subject;
        $this->arguments = $arguments;
    }

    /**
     * Getter for subject property.
     */
    public function getSubject(): mixed
    {
        return $this->subject;
    }

    /**
     * Get argument by key.
     *
     * @throws \InvalidArgumentException if key is not found
     */
    public function getArgument(string $key): mixed
    {
        if ($this->hasArgument($key)) {
            return $this->arguments[$key];
        }

        throw new \InvalidArgumentException(sprintf('Argument "%s" not found.', $key));
    }

    /**
     * Add argument to event.
     *
     * @return $this
     */
    public function setArgument(string $key, mixed $value): static
    {
        $this->arguments[$key] = $value;

        return $this;
    }

    /**
     * Getter for all arguments.
     */
    public function getArguments(): array
    {
        return $this->arguments;
    }

    /**
     * Set args property.
     *
     * @return $this
     */
    public function setArguments(array $args = []): static
    {
        $this->arguments = $args;

        return $this;
    }

    /**
     * Has argument.
     */
    public function hasArgument(string $key): bool
    {
        return \array_key_exists($key, $this->arguments);
    }

    /**
     * ArrayAccess for argument getter.
     *
     * @param string $key Array key
     *
     * @throws \InvalidArgumentException if key does not exist in $this->args
     */
    public function offsetGet(mixed $key): mixed
    {
        return $this->getArgument($key);
    }

    /**
     * ArrayAccess for argument setter.
     *
     * @param string $key Array key to set
     */
    public function offsetSet(mixed $key, mixed $value): void
    {
        $this->setArgument($key, $value);
    }

    /**
     * ArrayAccess for unset argument.
     *
     * @param string $key Array key
     */
    public function offsetUnset(mixed $key): void
    {
        if ($this->hasArgument($key)) {
            unset($this->arguments[$key]);
        }
    }

    /**
     * ArrayAccess has argument.
     *
     * @param string $key Array key
     */
    public function offsetExists(mixed $key): bool
    {
        return $this->hasArgument($key);
    }

    /**
     * IteratorAggregate for iterating over the object like an array.
     *
     * @return \ArrayIterator<string, mixed>
     */
    public function getIterator(): \ArrayIterator
    {
        return new \ArrayIterator($this->arguments);
    }
}

• [D] Attribute
• [D] Debug
• [D] DependencyInjection
• [F] CHANGELOG.md
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• [F] composer.json
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• [F] EventDispatcher.php
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• [F] EventDispatcherInterface.php
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• [F] EventSubscriberInterface.php
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• [F] GenericEvent.php
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• [F] ImmutableEventDispatcher.php
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• [F] LICENSE
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• [F] README.md
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About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

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FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

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Is my payment information secure?

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Can I add multiple cards to my NFC Pay wallet?

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How do I transfer money to another user?

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