/home/kueuepay/public_html/vendor/ramsey/collection/src/Map/AbstractMap.php
<?php

/**
 * This file is part of the ramsey/collection library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Collection\Map;

use Ramsey\Collection\AbstractArray;
use Ramsey\Collection\Exception\InvalidArgumentException;

use function array_key_exists;
use function array_keys;
use function in_array;
use function var_export;

/**
 * This class provides a basic implementation of `MapInterface`, to minimize the
 * effort required to implement this interface.
 *
 * @template T
 * @extends AbstractArray<T>
 * @implements MapInterface<T>
 */
abstract class AbstractMap extends AbstractArray implements MapInterface
{
    /**
     * @inheritDoc
     */
    public function offsetSet($offset, $value): void
    {
        if ($offset === null) {
            throw new InvalidArgumentException(
                'Map elements are key/value pairs; a key must be provided for '
                . 'value ' . var_export($value, true),
            );
        }

        $this->data[$offset] = $value;
    }

    /**
     * @inheritDoc
     */
    public function containsKey($key): bool
    {
        return array_key_exists($key, $this->data);
    }

    /**
     * @inheritDoc
     */
    public function containsValue($value): bool
    {
        return in_array($value, $this->data, true);
    }

    /**
     * @inheritDoc
     */
    public function keys(): array
    {
        return array_keys($this->data);
    }

    /**
     * @inheritDoc
     */
    public function get($key, $defaultValue = null)
    {
        if (!$this->containsKey($key)) {
            return $defaultValue;
        }

        return $this[$key];
    }

    /**
     * @inheritDoc
     */
    public function put($key, $value)
    {
        $previousValue = $this->get($key);
        $this[$key] = $value;

        return $previousValue;
    }

    /**
     * @inheritDoc
     */
    public function putIfAbsent($key, $value)
    {
        $currentValue = $this->get($key);

        if ($currentValue === null) {
            $this[$key] = $value;
        }

        return $currentValue;
    }

    /**
     * @inheritDoc
     */
    public function remove($key)
    {
        $previousValue = $this->get($key);
        unset($this[$key]);

        return $previousValue;
    }

    /**
     * @inheritDoc
     */
    public function removeIf($key, $value): bool
    {
        if ($this->get($key) === $value) {
            unset($this[$key]);

            return true;
        }

        return false;
    }

    /**
     * @inheritDoc
     */
    public function replace($key, $value)
    {
        $currentValue = $this->get($key);

        if ($this->containsKey($key)) {
            $this[$key] = $value;
        }

        return $currentValue;
    }

    /**
     * @inheritDoc
     */
    public function replaceIf($key, $oldValue, $newValue): bool
    {
        if ($this->get($key) === $oldValue) {
            $this[$key] = $newValue;

            return true;
        }

        return false;
    }
}
About
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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.

  • Simplifying Payments, One Tap at a Time.
  • Reinventing Your Wallet for Modern Convenience.
  • Smart Payments for a Effortless Lifestyle.
  • Experience the Ease of Tap and Pay.
  • Innovative Solutions for Your Daily Transactions.

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.

faq-img

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard