<?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\Output;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;

/**
 * ConsoleOutput is the default class for all CLI output. It uses STDOUT and STDERR.
 *
 * This class is a convenient wrapper around `StreamOutput` for both STDOUT and STDERR.
 *
 *     $output = new ConsoleOutput();
 *
 * This is equivalent to:
 *
 *     $output = new StreamOutput(fopen('php://stdout', 'w'));
 *     $stdErr = new StreamOutput(fopen('php://stderr', 'w'));
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
{
    private $stderr;
    private array $consoleSectionOutputs = [];

    /**
     * @param int                           $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
     * @param bool|null                     $decorated Whether to decorate messages (null for auto-guessing)
     * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
     */
    public function __construct(int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = null, OutputFormatterInterface $formatter = null)
    {
        parent::__construct($this->openOutputStream(), $verbosity, $decorated, $formatter);

        if (null === $formatter) {
            // for BC reasons, stdErr has it own Formatter only when user don't inject a specific formatter.
            $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated);

            return;
        }

        $actualDecorated = $this->isDecorated();
        $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated, $this->getFormatter());

        if (null === $decorated) {
            $this->setDecorated($actualDecorated && $this->stderr->isDecorated());
        }
    }

    /**
     * Creates a new output section.
     */
    public function section(): ConsoleSectionOutput
    {
        return new ConsoleSectionOutput($this->getStream(), $this->consoleSectionOutputs, $this->getVerbosity(), $this->isDecorated(), $this->getFormatter());
    }

    /**
     * {@inheritdoc}
     */
    public function setDecorated(bool $decorated)
    {
        parent::setDecorated($decorated);
        $this->stderr->setDecorated($decorated);
    }

    /**
     * {@inheritdoc}
     */
    public function setFormatter(OutputFormatterInterface $formatter)
    {
        parent::setFormatter($formatter);
        $this->stderr->setFormatter($formatter);
    }

    /**
     * {@inheritdoc}
     */
    public function setVerbosity(int $level)
    {
        parent::setVerbosity($level);
        $this->stderr->setVerbosity($level);
    }

    /**
     * {@inheritdoc}
     */
    public function getErrorOutput(): OutputInterface
    {
        return $this->stderr;
    }

    /**
     * {@inheritdoc}
     */
    public function setErrorOutput(OutputInterface $error)
    {
        $this->stderr = $error;
    }

    /**
     * Returns true if current environment supports writing console output to
     * STDOUT.
     */
    protected function hasStdoutSupport(): bool
    {
        return false === $this->isRunningOS400();
    }

    /**
     * Returns true if current environment supports writing console output to
     * STDERR.
     */
    protected function hasStderrSupport(): bool
    {
        return false === $this->isRunningOS400();
    }

    /**
     * Checks if current executing environment is IBM iSeries (OS400), which
     * doesn't properly convert character-encodings between ASCII to EBCDIC.
     */
    private function isRunningOS400(): bool
    {
        $checks = [
            \function_exists('php_uname') ? php_uname('s') : '',
            getenv('OSTYPE'),
            \PHP_OS,
        ];

        return false !== stripos(implode(';', $checks), 'OS400');
    }

    /**
     * @return resource
     */
    private function openOutputStream()
    {
        if (!$this->hasStdoutSupport()) {
            return fopen('php://output', 'w');
        }

        // Use STDOUT when possible to prevent from opening too many file descriptors
        return \defined('STDOUT') ? \STDOUT : (@fopen('php://stdout', 'w') ?: fopen('php://output', 'w'));
    }

    /**
     * @return resource
     */
    private function openErrorStream()
    {
        if (!$this->hasStderrSupport()) {
            return fopen('php://output', 'w');
        }

        // Use STDERR when possible to prevent from opening too many file descriptors
        return \defined('STDERR') ? \STDERR : (@fopen('php://stderr', 'w') ?: fopen('php://output', 'w'));
    }
}

• [F] BufferedOutput.php
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• [F] ConsoleOutput.php
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• [F] ConsoleOutputInterface.php
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• [F] ConsoleSectionOutput.php
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• [F] NullOutput.php
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• [F] Output.php
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• [F] OutputInterface.php
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• [F] StreamOutput.php
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• [F] TrimmedBufferOutput.php
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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.

• 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