/home/kueuepay/public_html/vendor/symfony/console/Helper/ProcessHelper.php
<?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\Helper;

use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Process\Exception\ProcessFailedException;
use Symfony\Component\Process\Process;

/**
 * The ProcessHelper class provides helpers to run external processes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @final
 */
class ProcessHelper extends Helper
{
    /**
     * Runs an external process.
     *
     * @param array|Process $cmd      An instance of Process or an array of the command and arguments
     * @param callable|null $callback A PHP callback to run whenever there is some
     *                                output available on STDOUT or STDERR
     */
    public function run(OutputInterface $output, array|Process $cmd, string $error = null, callable $callback = null, int $verbosity = OutputInterface::VERBOSITY_VERY_VERBOSE): Process
    {
        if (!class_exists(Process::class)) {
            throw new \LogicException('The ProcessHelper cannot be run as the Process component is not installed. Try running "compose require symfony/process".');
        }

        if ($output instanceof ConsoleOutputInterface) {
            $output = $output->getErrorOutput();
        }

        $formatter = $this->getHelperSet()->get('debug_formatter');

        if ($cmd instanceof Process) {
            $cmd = [$cmd];
        }

        if (\is_string($cmd[0] ?? null)) {
            $process = new Process($cmd);
            $cmd = [];
        } elseif (($cmd[0] ?? null) instanceof Process) {
            $process = $cmd[0];
            unset($cmd[0]);
        } else {
            throw new \InvalidArgumentException(sprintf('Invalid command provided to "%s()": the command should be an array whose first element is either the path to the binary to run or a "Process" object.', __METHOD__));
        }

        if ($verbosity <= $output->getVerbosity()) {
            $output->write($formatter->start(spl_object_hash($process), $this->escapeString($process->getCommandLine())));
        }

        if ($output->isDebug()) {
            $callback = $this->wrapCallback($output, $process, $callback);
        }

        $process->run($callback, $cmd);

        if ($verbosity <= $output->getVerbosity()) {
            $message = $process->isSuccessful() ? 'Command ran successfully' : sprintf('%s Command did not run successfully', $process->getExitCode());
            $output->write($formatter->stop(spl_object_hash($process), $message, $process->isSuccessful()));
        }

        if (!$process->isSuccessful() && null !== $error) {
            $output->writeln(sprintf('<error>%s</error>', $this->escapeString($error)));
        }

        return $process;
    }

    /**
     * Runs the process.
     *
     * This is identical to run() except that an exception is thrown if the process
     * exits with a non-zero exit code.
     *
     * @param array|Process $cmd      An instance of Process or a command to run
     * @param callable|null $callback A PHP callback to run whenever there is some
     *                                output available on STDOUT or STDERR
     *
     * @throws ProcessFailedException
     *
     * @see run()
     */
    public function mustRun(OutputInterface $output, array|Process $cmd, string $error = null, callable $callback = null): Process
    {
        $process = $this->run($output, $cmd, $error, $callback);

        if (!$process->isSuccessful()) {
            throw new ProcessFailedException($process);
        }

        return $process;
    }

    /**
     * Wraps a Process callback to add debugging output.
     */
    public function wrapCallback(OutputInterface $output, Process $process, callable $callback = null): callable
    {
        if ($output instanceof ConsoleOutputInterface) {
            $output = $output->getErrorOutput();
        }

        $formatter = $this->getHelperSet()->get('debug_formatter');

        return function ($type, $buffer) use ($output, $process, $callback, $formatter) {
            $output->write($formatter->progress(spl_object_hash($process), $this->escapeString($buffer), Process::ERR === $type));

            if (null !== $callback) {
                $callback($type, $buffer);
            }
        };
    }

    private function escapeString(string $str): string
    {
        return str_replace('<', '\\<', $str);
    }

    /**
     * {@inheritdoc}
     */
    public function getName(): string
    {
        return 'process';
    }
}
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