/home/kueuepay/public_html/vendor/psy/psysh/src/CodeCleaner/LabelContextPass.php
<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\CodeCleaner;

use PhpParser\Node;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Stmt\Goto_;
use PhpParser\Node\Stmt\Label;
use Psy\Exception\FatalErrorException;

/**
 * CodeCleanerPass for label context.
 *
 * This class partially emulates the PHP label specification.
 * PsySH can not declare labels by sequentially executing lines with eval,
 * but since it is not a syntax error, no error is raised.
 * This class warns before invalid goto causes a fatal error.
 * Since this is a simple checker, it does not block real fatal error
 * with complex syntax.  (ex. it does not parse inside function.)
 *
 * @see http://php.net/goto
 */
class LabelContextPass extends CodeCleanerPass
{
    /** @var int */
    private $functionDepth;

    /** @var array */
    private $labelDeclarations;
    /** @var array */
    private $labelGotos;

    /**
     * @param array $nodes
     *
     * @return Node[]|null Array of nodes
     */
    public function beforeTraverse(array $nodes)
    {
        $this->functionDepth = 0;
        $this->labelDeclarations = [];
        $this->labelGotos = [];
    }

    /**
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if ($node instanceof FunctionLike) {
            $this->functionDepth++;

            return;
        }

        // node is inside function context
        if ($this->functionDepth !== 0) {
            return;
        }

        if ($node instanceof Goto_) {
            $this->labelGotos[\strtolower($node->name)] = $node->getStartLine();
        } elseif ($node instanceof Label) {
            $this->labelDeclarations[\strtolower($node->name)] = $node->getStartLine();
        }
    }

    /**
     * @param \PhpParser\Node $node
     *
     * @return int|Node|Node[]|null Replacement node (or special return value)
     */
    public function leaveNode(Node $node)
    {
        if ($node instanceof FunctionLike) {
            $this->functionDepth--;
        }
    }

    /**
     * @return Node[]|null Array of nodes
     */
    public function afterTraverse(array $nodes)
    {
        foreach ($this->labelGotos as $name => $line) {
            if (!isset($this->labelDeclarations[$name])) {
                $msg = "'goto' to undefined label '{$name}'";
                throw new FatalErrorException($msg, 0, \E_ERROR, null, $line);
            }
        }
    }
}
Path: home/kueuepay/public_html/vendor/psy/psysh/src/CodeCleaner
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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