/home/kueuepay/public_html/vendor/symfony/yaml/Yaml.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\Yaml;

use Symfony\Component\Yaml\Exception\ParseException;

/**
 * Yaml offers convenience methods to load and dump YAML.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @final
 */
class Yaml
{
    public const DUMP_OBJECT = 1;
    public const PARSE_EXCEPTION_ON_INVALID_TYPE = 2;
    public const PARSE_OBJECT = 4;
    public const PARSE_OBJECT_FOR_MAP = 8;
    public const DUMP_EXCEPTION_ON_INVALID_TYPE = 16;
    public const PARSE_DATETIME = 32;
    public const DUMP_OBJECT_AS_MAP = 64;
    public const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;
    public const PARSE_CONSTANT = 256;
    public const PARSE_CUSTOM_TAGS = 512;
    public const DUMP_EMPTY_ARRAY_AS_SEQUENCE = 1024;
    public const DUMP_NULL_AS_TILDE = 2048;

    /**
     * Parses a YAML file into a PHP value.
     *
     * Usage:
     *
     *     $array = Yaml::parseFile('config.yml');
     *     print_r($array);
     *
     * @param string $filename The path to the YAML file to be parsed
     * @param int    $flags    A bit field of PARSE_* constants to customize the YAML parser behavior
     *
     * @throws ParseException If the file could not be read or the YAML is not valid
     */
    public static function parseFile(string $filename, int $flags = 0): mixed
    {
        $yaml = new Parser();

        return $yaml->parseFile($filename, $flags);
    }

    /**
     * Parses YAML into a PHP value.
     *
     *  Usage:
     *  <code>
     *   $array = Yaml::parse(file_get_contents('config.yml'));
     *   print_r($array);
     *  </code>
     *
     * @param string $input A string containing YAML
     * @param int    $flags A bit field of PARSE_* constants to customize the YAML parser behavior
     *
     * @throws ParseException If the YAML is not valid
     */
    public static function parse(string $input, int $flags = 0): mixed
    {
        $yaml = new Parser();

        return $yaml->parse($input, $flags);
    }

    /**
     * Dumps a PHP value to a YAML string.
     *
     * The dump method, when supplied with an array, will do its best
     * to convert the array into friendly YAML.
     *
     * @param mixed $input  The PHP value
     * @param int   $inline The level where you switch to inline YAML
     * @param int   $indent The amount of spaces to use for indentation of nested nodes
     * @param int   $flags  A bit field of DUMP_* constants to customize the dumped YAML string
     */
    public static function dump(mixed $input, int $inline = 2, int $indent = 4, int $flags = 0): string
    {
        $yaml = new Dumper($indent);

        return $yaml->dump($input, $inline, 0, $flags);
    }
}
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Enhancing Payment Security: The Role of Encryption and Tokenization in Digital Transactions

As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational technologies that are pivotal in this effort are encryption and tokenization.
Encryption is a process that transforms data into a secure format, known as ciphertext, which can only be deciphered using a specific decryption key. This means that even if data is intercepted during transmission, it remains unreadable and protected from unauthorized access. Encryption is essential in safeguarding sensitive payment information, such as credit card details and personal data, during online transactions.
Tokenization, on the other hand, involves substituting sensitive data with unique identifiers or "tokens." These tokens serve as placeholders and have no value outside of the specific transaction context. If intercepted, tokens are meaningless and cannot be used to access the original sensitive data. This method significantly reduces the risk of fraud and data breaches, as the actual payment information is not stored or transmitted.
Together, encryption and tokenization form a powerful security framework. Encryption ensures that data is protected during transmission, while tokenization minimizes the risk of exposing sensitive information by replacing it with secure, non-sensitive tokens.
These technologies are integral to modern payment platforms, providing a robust defense against cyber threats. By implementing advanced encryption and tokenization techniques, businesses can enhance the security of digital transactions, ensuring that users' financial and personal information remains safe. This comprehensive approach not only builds user trust but also fortifies the overall security infrastructure of digital payment systems. As cyber threats evolve, the continued advancement of encryption and tokenization will be crucial in maintaining secure and reliable payment processes.

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