/home/kueuepay/public_html/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);
    }
}
About
top

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

  • Simplifying Payments, One Tap at a Time.
  • Reinventing Your Wallet for Modern Convenience.
  • Smart Payments for a Effortless Lifestyle.
  • Experience the Ease of Tap and Pay.
  • Innovative Solutions for Your Daily Transactions.

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

faq-img

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard