/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Csv.php
<?php

namespace PhpOffice\PhpSpreadsheet\Writer;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

class Csv extends BaseWriter
{
    /**
     * PhpSpreadsheet object.
     *
     * @var Spreadsheet
     */
    private $spreadsheet;

    /**
     * Delimiter.
     *
     * @var string
     */
    private $delimiter = ',';

    /**
     * Enclosure.
     *
     * @var string
     */
    private $enclosure = '"';

    /**
     * Line ending.
     *
     * @var string
     */
    private $lineEnding = PHP_EOL;

    /**
     * Sheet index to write.
     *
     * @var int
     */
    private $sheetIndex = 0;

    /**
     * Whether to write a UTF8 BOM.
     *
     * @var bool
     */
    private $useBOM = false;

    /**
     * Whether to write a Separator line as the first line of the file
     *     sep=x.
     *
     * @var bool
     */
    private $includeSeparatorLine = false;

    /**
     * Whether to write a fully Excel compatible CSV file.
     *
     * @var bool
     */
    private $excelCompatibility = false;

    /**
     * Output encoding.
     *
     * @var string
     */
    private $outputEncoding = '';

    /**
     * Create a new CSV.
     */
    public function __construct(Spreadsheet $spreadsheet)
    {
        $this->spreadsheet = $spreadsheet;
    }

    /**
     * Save PhpSpreadsheet to file.
     *
     * @param resource|string $filename
     */
    public function save($filename, int $flags = 0): void
    {
        $this->processFlags($flags);

        // Fetch sheet
        $sheet = $this->spreadsheet->getSheet($this->sheetIndex);

        $saveDebugLog = Calculation::getInstance($this->spreadsheet)->getDebugLog()->getWriteDebugLog();
        Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog(false);
        $saveArrayReturnType = Calculation::getArrayReturnType();
        Calculation::setArrayReturnType(Calculation::RETURN_ARRAY_AS_VALUE);

        // Open file
        $this->openFileHandle($filename);

        if ($this->excelCompatibility) {
            $this->setUseBOM(true); //  Enforce UTF-8 BOM Header
            $this->setIncludeSeparatorLine(true); //  Set separator line
            $this->setEnclosure('"'); //  Set enclosure to "
            $this->setDelimiter(';'); //  Set delimiter to a semi-colon
            $this->setLineEnding("\r\n");
        }

        if ($this->useBOM) {
            // Write the UTF-8 BOM code if required
            fwrite($this->fileHandle, "\xEF\xBB\xBF");
        }

        if ($this->includeSeparatorLine) {
            // Write the separator line if required
            fwrite($this->fileHandle, 'sep=' . $this->getDelimiter() . $this->lineEnding);
        }

        //    Identify the range that we need to extract from the worksheet
        $maxCol = $sheet->getHighestDataColumn();
        $maxRow = $sheet->getHighestDataRow();

        // Write rows to file
        for ($row = 1; $row <= $maxRow; ++$row) {
            // Convert the row to an array...
            $cellsArray = $sheet->rangeToArray('A' . $row . ':' . $maxCol . $row, '', $this->preCalculateFormulas);
            // ... and write to the file
            $this->writeLine($this->fileHandle, $cellsArray[0]);
        }

        $this->maybeCloseFileHandle();
        Calculation::setArrayReturnType($saveArrayReturnType);
        Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog);
    }

    public function getDelimiter(): string
    {
        return $this->delimiter;
    }

    public function setDelimiter(string $delimiter): self
    {
        $this->delimiter = $delimiter;

        return $this;
    }

    public function getEnclosure(): string
    {
        return $this->enclosure;
    }

    public function setEnclosure(string $enclosure = '"'): self
    {
        $this->enclosure = $enclosure;

        return $this;
    }

    public function getLineEnding(): string
    {
        return $this->lineEnding;
    }

    public function setLineEnding(string $lineEnding): self
    {
        $this->lineEnding = $lineEnding;

        return $this;
    }

    /**
     * Get whether BOM should be used.
     */
    public function getUseBOM(): bool
    {
        return $this->useBOM;
    }

    /**
     * Set whether BOM should be used, typically when non-ASCII characters are used.
     */
    public function setUseBOM(bool $useBOM): self
    {
        $this->useBOM = $useBOM;

        return $this;
    }

    /**
     * Get whether a separator line should be included.
     */
    public function getIncludeSeparatorLine(): bool
    {
        return $this->includeSeparatorLine;
    }

    /**
     * Set whether a separator line should be included as the first line of the file.
     */
    public function setIncludeSeparatorLine(bool $includeSeparatorLine): self
    {
        $this->includeSeparatorLine = $includeSeparatorLine;

        return $this;
    }

    /**
     * Get whether the file should be saved with full Excel Compatibility.
     */
    public function getExcelCompatibility(): bool
    {
        return $this->excelCompatibility;
    }

    /**
     * Set whether the file should be saved with full Excel Compatibility.
     *
     * @param bool $excelCompatibility Set the file to be written as a fully Excel compatible csv file
     *                                Note that this overrides other settings such as useBOM, enclosure and delimiter
     */
    public function setExcelCompatibility(bool $excelCompatibility): self
    {
        $this->excelCompatibility = $excelCompatibility;

        return $this;
    }

    public function getSheetIndex(): int
    {
        return $this->sheetIndex;
    }

    public function setSheetIndex(int $sheetIndex): self
    {
        $this->sheetIndex = $sheetIndex;

        return $this;
    }

    public function getOutputEncoding(): string
    {
        return $this->outputEncoding;
    }

    public function setOutputEncoding(string $outputEnconding): self
    {
        $this->outputEncoding = $outputEnconding;

        return $this;
    }

    /** @var bool */
    private $enclosureRequired = true;

    public function setEnclosureRequired(bool $value): self
    {
        $this->enclosureRequired = $value;

        return $this;
    }

    public function getEnclosureRequired(): bool
    {
        return $this->enclosureRequired;
    }

    /**
     * Convert boolean to TRUE/FALSE; otherwise return element cast to string.
     *
     * @param mixed $element
     */
    private static function elementToString($element): string
    {
        if (is_bool($element)) {
            return $element ? 'TRUE' : 'FALSE';
        }

        return (string) $element;
    }

    /**
     * Write line to CSV file.
     *
     * @param resource $fileHandle PHP filehandle
     * @param array $values Array containing values in a row
     */
    private function writeLine($fileHandle, array $values): void
    {
        // No leading delimiter
        $delimiter = '';

        // Build the line
        $line = '';

        foreach ($values as $element) {
            $element = self::elementToString($element);
            // Add delimiter
            $line .= $delimiter;
            $delimiter = $this->delimiter;
            // Escape enclosures
            $enclosure = $this->enclosure;
            if ($enclosure) {
                // If enclosure is not required, use enclosure only if
                // element contains newline, delimiter, or enclosure.
                if (!$this->enclosureRequired && strpbrk($element, "$delimiter$enclosure\n") === false) {
                    $enclosure = '';
                } else {
                    $element = str_replace($enclosure, $enclosure . $enclosure, $element);
                }
            }
            // Add enclosed string
            $line .= $enclosure . $element . $enclosure;
        }

        // Add line ending
        $line .= $this->lineEnding;

        // Write to file
        if ($this->outputEncoding != '') {
            $line = mb_convert_encoding($line, $this->outputEncoding);
        }
        fwrite($fileHandle, /** @scrutinizer ignore-type */ $line);
    }
}
FAQ

FAQ

1. What is the Kueue Pay Payment Gateway?

The Kueue Pay Payment Gateway is an innovative technology that facilitates seamless and secure transactions between merchants and their customers. It enables businesses to accept debit and credit card payments both online and in physical stores.

2. How does the Kueue Pay Payment Gateway work?

The Kueue Pay Payment Gateway acts as a bridge between a merchant’s website or point-of-sale system and the payment processing network. It securely transmits payment information, authorizes transactions, and provides real-time status updates.

3. What is the advantage of using Kueue Pay’s Developer API?

The Kueue Pay Developer API empowers developers and entrepreneurs to integrate the Kueue Pay Payment Gateway directly into their websites or applications. This streamlines the payment process for customers and provides businesses with a customizable and efficient payment solution.

4. How can I access the Kueue Pay Developer API?

To access the Kueue Pay Developer API, you need to sign up for a developer account on our platform. Once registered, you’ll receive an API key that you can use to authenticate your API requests.

5. What types of transactions can I handle with the Kueue Pay Developer API?

The Kueue Pay Developer API allows you to initiate payments, check the status of payments, and process refunds. You can create a seamless payment experience for your customers while maintaining control over transaction management.

6. Is the Kueue Pay Developer API suitable for my business size and industry?

Yes, the Kueue Pay Developer API is designed to accommodate businesses of varying sizes and industries. Whether you’re a small online store or a large enterprise, our API can be tailored to fit your specific payment needs.

7. How user-friendly is the Kueue Pay Developer API integration process?

The Kueue Pay Developer API is designed with simplicity and ease of use in mind. Our comprehensive documentation, code samples, and developer support resources ensure a smooth integration process for any web platform.

8. Are there any fees associated with using the Kueue Pay Payment Gateway and API?

We offer competitive pricing plans for using the Kueue Pay Payment Gateway and Developer API. Details about fees and pricing tiers can be found on our developer portal.

9. Can I customize the payment experience for my customers using the Kueue Pay API?

Absolutely, the Kueue Pay Developer API offers customization options that allow you to tailor the payment experience to match your brand and user interface. You can create a seamless and cohesive payment journey for your customers.

10. What kind of support is available if I encounter issues during API integration?

We provide dedicated developer support to assist you with any issues or questions you may have during the API integration process. Reach out to our support team at developersupport@NFCPay.com for prompt assistance.

Remember, our goal is to empower your business with a robust and efficient payment solution. If you have any additional questions or concerns, feel free to explore our developer portal or contact our support team.