/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/CellIterator.php
<?php

namespace PhpOffice\PhpSpreadsheet\Worksheet;

use Iterator as NativeIterator;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Collection\Cells;

/**
 * @template TKey
 *
 * @implements NativeIterator<TKey, Cell>
 */
abstract class CellIterator implements NativeIterator
{
    public const TREAT_NULL_VALUE_AS_EMPTY_CELL = 1;

    public const TREAT_EMPTY_STRING_AS_EMPTY_CELL = 2;

    public const IF_NOT_EXISTS_RETURN_NULL = false;

    public const IF_NOT_EXISTS_CREATE_NEW = true;

    /**
     * Worksheet to iterate.
     *
     * @var Worksheet
     */
    protected $worksheet;

    /**
     * Cell Collection to iterate.
     *
     * @var Cells
     */
    protected $cellCollection;

    /**
     * Iterate only existing cells.
     *
     * @var bool
     */
    protected $onlyExistingCells = false;

    /**
     * If iterating all cells, and a cell doesn't exist, identifies whether a new cell should be created,
     *    or if the iterator should return a null value.
     *
     * @var bool
     */
    protected $ifNotExists = self::IF_NOT_EXISTS_CREATE_NEW;

    /**
     * Destructor.
     */
    public function __destruct()
    {
        // @phpstan-ignore-next-line
        $this->worksheet = $this->cellCollection = null;
    }

    public function getIfNotExists(): bool
    {
        return $this->ifNotExists;
    }

    public function setIfNotExists(bool $ifNotExists = self::IF_NOT_EXISTS_CREATE_NEW): void
    {
        $this->ifNotExists = $ifNotExists;
    }

    /**
     * Get loop only existing cells.
     */
    public function getIterateOnlyExistingCells(): bool
    {
        return $this->onlyExistingCells;
    }

    /**
     * Validate start/end values for 'IterateOnlyExistingCells' mode, and adjust if necessary.
     */
    abstract protected function adjustForExistingOnlyRange(): void;

    /**
     * Set the iterator to loop only existing cells.
     */
    public function setIterateOnlyExistingCells(bool $value): void
    {
        $this->onlyExistingCells = (bool) $value;

        $this->adjustForExistingOnlyRange();
    }
}
Path: home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet
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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