/home/kueuepay/public_html/vendor/psy/psysh/src/CodeCleaner/ListPass.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\ArrayDimFetch;
// @todo Switch to PhpParser\Node\ArrayItem once we drop support for PHP-Parser 4.x
use PhpParser\Node\Expr\ArrayItem;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\List_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\Variable;
use Psy\Exception\ParseErrorException;

/**
 * Validate that the list assignment.
 */
class ListPass extends CodeCleanerPass
{
    /**
     * Validate use of list assignment.
     *
     * @throws ParseErrorException if the user used empty with anything but a variable
     *
     * @param Node $node
     *
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if (!$node instanceof Assign) {
            return;
        }

        if (!$node->var instanceof Array_ && !$node->var instanceof List_) {
            return;
        }

        // Polyfill for PHP-Parser 2.x
        $items = isset($node->var->items) ? $node->var->items : $node->var->vars;

        if ($items === [] || $items === [null]) {
            throw new ParseErrorException('Cannot use empty list', ['startLine' => $node->var->getStartLine(), 'endLine' => $node->var->getEndLine()]);
        }

        $itemFound = false;
        foreach ($items as $item) {
            if ($item === null) {
                continue;
            }

            $itemFound = true;

            if (!self::isValidArrayItem($item)) {
                $msg = 'Assignments can only happen to writable values';
                throw new ParseErrorException($msg, ['startLine' => $item->getStartLine(), 'endLine' => $item->getEndLine()]);
            }
        }

        if (!$itemFound) {
            throw new ParseErrorException('Cannot use empty list');
        }
    }

    /**
     * Validate whether a given item in an array is valid for short assignment.
     *
     * @param Node $item
     */
    private static function isValidArrayItem(Node $item): bool
    {
        $value = ($item instanceof ArrayItem) ? $item->value : $item;

        while ($value instanceof ArrayDimFetch || $value instanceof PropertyFetch) {
            $value = $value->var;
        }

        // We just kind of give up if it's a method call. We can't tell if it's
        // valid via static analysis.
        return $value instanceof Variable || $value instanceof MethodCall || $value instanceof FuncCall;
    }
}
Developer

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.