/home/kueuepay/public_html/vendor/laravel/framework/src/Illuminate/Support/ProcessUtils.php
<?php

namespace Illuminate\Support;

/**
 * ProcessUtils is a bunch of utility methods.
 *
 * This class was originally copied from Symfony 3.
 */
class ProcessUtils
{
    /**
     * Escapes a string to be used as a shell argument.
     *
     * @param  string  $argument
     * @return string
     */
    public static function escapeArgument($argument)
    {
        // Fix for PHP bug #43784 escapeshellarg removes % from given string
        // Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
        // @see https://bugs.php.net/bug.php?id=43784
        // @see https://bugs.php.net/bug.php?id=49446
        if ('\\' === DIRECTORY_SEPARATOR) {
            if ($argument === '') {
                return '""';
            }

            $escapedArgument = '';
            $quote = false;

            foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
                if ($part === '"') {
                    $escapedArgument .= '\\"';
                } elseif (self::isSurroundedBy($part, '%')) {
                    // Avoid environment variable expansion
                    $escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
                } else {
                    // escape trailing backslash
                    if (str_ends_with($part, '\\')) {
                        $part .= '\\';
                    }
                    $quote = true;
                    $escapedArgument .= $part;
                }
            }

            if ($quote) {
                $escapedArgument = '"'.$escapedArgument.'"';
            }

            return $escapedArgument;
        }

        return "'".str_replace("'", "'\\''", $argument)."'";
    }

    /**
     * Is the given string surrounded by the given character?
     *
     * @param  string  $arg
     * @param  string  $char
     * @return bool
     */
    protected static function isSurroundedBy($arg, $char)
    {
        return strlen($arg) > 2 && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
    }
}
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Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.

Prerequisites