<?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\Console\Input;

use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\LogicException;

/**
 * Represents a command line argument.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class InputArgument
{
    public const REQUIRED = 1;
    public const OPTIONAL = 2;
    public const IS_ARRAY = 4;

    private string $name;
    private int $mode;
    private string|int|bool|array|null|float $default;
    private string $description;

    /**
     * @param string                           $name        The argument name
     * @param int|null                         $mode        The argument mode: self::REQUIRED or self::OPTIONAL
     * @param string                           $description A description text
     * @param string|bool|int|float|array|null $default     The default value (for self::OPTIONAL mode only)
     *
     * @throws InvalidArgumentException When argument mode is not valid
     */
    public function __construct(string $name, int $mode = null, string $description = '', string|bool|int|float|array $default = null)
    {
        if (null === $mode) {
            $mode = self::OPTIONAL;
        } elseif ($mode > 7 || $mode < 1) {
            throw new InvalidArgumentException(sprintf('Argument mode "%s" is not valid.', $mode));
        }

        $this->name = $name;
        $this->mode = $mode;
        $this->description = $description;

        $this->setDefault($default);
    }

    /**
     * Returns the argument name.
     */
    public function getName(): string
    {
        return $this->name;
    }

    /**
     * Returns true if the argument is required.
     *
     * @return bool true if parameter mode is self::REQUIRED, false otherwise
     */
    public function isRequired(): bool
    {
        return self::REQUIRED === (self::REQUIRED & $this->mode);
    }

    /**
     * Returns true if the argument can take multiple values.
     *
     * @return bool true if mode is self::IS_ARRAY, false otherwise
     */
    public function isArray(): bool
    {
        return self::IS_ARRAY === (self::IS_ARRAY & $this->mode);
    }

    /**
     * Sets the default value.
     *
     * @throws LogicException When incorrect default value is given
     */
    public function setDefault(string|bool|int|float|array $default = null)
    {
        if ($this->isRequired() && null !== $default) {
            throw new LogicException('Cannot set a default value except for InputArgument::OPTIONAL mode.');
        }

        if ($this->isArray()) {
            if (null === $default) {
                $default = [];
            } elseif (!\is_array($default)) {
                throw new LogicException('A default value for an array argument must be an array.');
            }
        }

        $this->default = $default;
    }

    /**
     * Returns the default value.
     */
    public function getDefault(): string|bool|int|float|array|null
    {
        return $this->default;
    }

    /**
     * Returns the description text.
     */
    public function getDescription(): string
    {
        return $this->description;
    }
}

• [F] ArgvInput.php
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• [F] ArrayInput.php
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• [F] Input.php
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• [F] InputArgument.php
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• [F] InputAwareInterface.php
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• [F] InputDefinition.php
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• [F] InputInterface.php
  Delete
• [F] InputOption.php
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• [F] StreamableInputInterface.php
  Delete
• [F] StringInput.php
  Delete

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.

• 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.

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?

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