/home/kueuepay/public_html/vendor/psy/psysh/src/CodeCleaner/FunctionReturnInWriteContextPass.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\Expr\Array_;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\Isset_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Stmt\Unset_;
use PhpParser\Node\VariadicPlaceholder;
use Psy\Exception\FatalErrorException;

/**
 * Validate that the functions are used correctly.
 *
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class FunctionReturnInWriteContextPass extends CodeCleanerPass
{
    const ISSET_MESSAGE = 'Cannot use isset() on the result of an expression (you can use "null !== expression" instead)';
    const EXCEPTION_MESSAGE = "Can't use function return value in write context";

    /**
     * Validate that the functions are used correctly.
     *
     * @throws FatalErrorException if a function is passed as an argument reference
     * @throws FatalErrorException if a function is used as an argument in the isset
     * @throws FatalErrorException if a value is assigned to a function
     *
     * @param Node $node
     *
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if ($node instanceof Array_ || $this->isCallNode($node)) {
            $items = $node instanceof Array_ ? $node->items : $node->args;
            foreach ($items as $item) {
                if ($item instanceof VariadicPlaceholder) {
                    continue;
                }

                if ($item && $item->byRef && $this->isCallNode($item->value)) {
                    throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
                }
            }
        } elseif ($node instanceof Isset_ || $node instanceof Unset_) {
            foreach ($node->vars as $var) {
                if (!$this->isCallNode($var)) {
                    continue;
                }

                $msg = $node instanceof Isset_ ? self::ISSET_MESSAGE : self::EXCEPTION_MESSAGE;
                throw new FatalErrorException($msg, 0, \E_ERROR, null, $node->getStartLine());
            }
        } elseif ($node instanceof Assign && $this->isCallNode($node->var)) {
            throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
        }
    }

    private function isCallNode(Node $node): bool
    {
        return $node instanceof FuncCall || $node instanceof MethodCall || $node instanceof StaticCall;
    }
}
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