<?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\Translation\Extractor;

/*
 * The following is derived from code at http://github.com/nikic/PHP-Parser
 *
 * Copyright (c) 2011 by Nikita Popov
 *
 * Some rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *
 *     * The names of the contributors may not be used to endorse or
 *       promote products derived from this software without specific
 *       prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

class PhpStringTokenParser
{
    protected static $replacements = [
        '\\' => '\\',
        '$' => '$',
        'n' => "\n",
        'r' => "\r",
        't' => "\t",
        'f' => "\f",
        'v' => "\v",
        'e' => "\x1B",
    ];

    /**
     * Parses a string token.
     *
     * @param string $str String token content
     */
    public static function parse(string $str): string
    {
        $bLength = 0;
        if ('b' === $str[0]) {
            $bLength = 1;
        }

        if ('\'' === $str[$bLength]) {
            return str_replace(
                ['\\\\', '\\\''],
                ['\\', '\''],
                substr($str, $bLength + 1, -1)
            );
        } else {
            return self::parseEscapeSequences(substr($str, $bLength + 1, -1), '"');
        }
    }

    /**
     * Parses escape sequences in strings (all string types apart from single quoted).
     *
     * @param string      $str   String without quotes
     * @param string|null $quote Quote type
     */
    public static function parseEscapeSequences(string $str, string $quote = null): string
    {
        if (null !== $quote) {
            $str = str_replace('\\'.$quote, $quote, $str);
        }

        return preg_replace_callback(
            '~\\\\([\\\\$nrtfve]|[xX][0-9a-fA-F]{1,2}|[0-7]{1,3})~',
            [__CLASS__, 'parseCallback'],
            $str
        );
    }

    private static function parseCallback(array $matches): string
    {
        $str = $matches[1];

        if (isset(self::$replacements[$str])) {
            return self::$replacements[$str];
        } elseif ('x' === $str[0] || 'X' === $str[0]) {
            return \chr(hexdec($str));
        } else {
            return \chr(octdec($str));
        }
    }

    /**
     * Parses a constant doc string.
     *
     * @param string $startToken Doc string start token content (<<<SMTHG)
     * @param string $str        String token content
     */
    public static function parseDocString(string $startToken, string $str): string
    {
        // strip last newline (thanks tokenizer for sticking it into the string!)
        $str = preg_replace('~(\r\n|\n|\r)$~', '', $str);

        // nowdoc string
        if (str_contains($startToken, '\'')) {
            return $str;
        }

        return self::parseEscapeSequences($str, null);
    }
}

• [F] AbstractFileExtractor.php
  Delete
• [F] ChainExtractor.php
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• [F] ExtractorInterface.php
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• [F] PhpExtractor.php
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• [F] PhpStringTokenParser.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?

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