<?php
namespace PhpOffice\PhpSpreadsheet\Worksheet;
use PhpOffice\PhpSpreadsheet\Cell\AddressRange;
use PhpOffice\PhpSpreadsheet\Cell\CellAddress;
use PhpOffice\PhpSpreadsheet\Cell\CellRange;
use PhpOffice\PhpSpreadsheet\Exception as SpreadsheetException;
class Validations
{
/**
* Validate a cell address.
*
* @param null|array<int>|CellAddress|string $cellAddress Coordinate of the cell as a string, eg: 'C5';
* or as an array of [$columnIndex, $row] (e.g. [3, 5]), or a CellAddress object.
*/
public static function validateCellAddress($cellAddress): string
{
if (is_string($cellAddress)) {
[$worksheet, $address] = Worksheet::extractSheetTitle($cellAddress, true);
// if (!empty($worksheet) && $worksheet !== $this->getTitle()) {
// throw new Exception('Reference is not for this worksheet');
// }
return empty($worksheet) ? strtoupper("$address") : $worksheet . '!' . strtoupper("$address");
}
if (is_array($cellAddress)) {
$cellAddress = CellAddress::fromColumnRowArray($cellAddress);
}
return (string) $cellAddress;
}
/**
* Validate a cell address or cell range.
*
* @param AddressRange|array<int>|CellAddress|int|string $cellRange Coordinate of the cells as a string, eg: 'C5:F12';
* or as an array of [$fromColumnIndex, $fromRow, $toColumnIndex, $toRow] (e.g. [3, 5, 6, 12]),
* or as a CellAddress or AddressRange object.
*/
public static function validateCellOrCellRange($cellRange): string
{
if (is_string($cellRange) || is_numeric($cellRange)) {
// Convert a single column reference like 'A' to 'A:A',
// a single row reference like '1' to '1:1'
$cellRange = (string) preg_replace('/^([A-Z]+|\d+)$/', '${1}:${1}', (string) $cellRange);
} elseif (is_object($cellRange) && $cellRange instanceof CellAddress) {
$cellRange = new CellRange($cellRange, $cellRange);
}
return self::validateCellRange($cellRange);
}
private const SETMAXROW = '${1}1:${2}' . AddressRange::MAX_ROW;
private const SETMAXCOL = 'A${1}:' . AddressRange::MAX_COLUMN . '${2}';
/**
* Validate a cell range.
*
* @param AddressRange|array<int>|string $cellRange Coordinate of the cells as a string, eg: 'C5:F12';
* or as an array of [$fromColumnIndex, $fromRow, $toColumnIndex, $toRow] (e.g. [3, 5, 6, 12]),
* or as an AddressRange object.
*/
public static function validateCellRange($cellRange): string
{
if (is_string($cellRange)) {
[$worksheet, $addressRange] = Worksheet::extractSheetTitle($cellRange, true);
// Convert Column ranges like 'A:C' to 'A1:C1048576'
// or Row ranges like '1:3' to 'A1:XFD3'
$addressRange = (string) preg_replace(
['/^([A-Z]+):([A-Z]+)$/i', '/^(\\d+):(\\d+)$/'],
[self::SETMAXROW, self::SETMAXCOL],
$addressRange
);
return empty($worksheet) ? strtoupper($addressRange) : $worksheet . '!' . strtoupper($addressRange);
}
if (is_array($cellRange)) {
switch (count($cellRange)) {
case 2:
$from = [$cellRange[0], $cellRange[1]];
$to = [$cellRange[0], $cellRange[1]];
break;
case 4:
$from = [$cellRange[0], $cellRange[1]];
$to = [$cellRange[2], $cellRange[3]];
break;
default:
throw new SpreadsheetException('CellRange array length must be 2 or 4');
}
$cellRange = new CellRange(CellAddress::fromColumnRowArray($from), CellAddress::fromColumnRowArray($to));
}
return (string) $cellRange;
}
public static function definedNameToCoordinate(string $coordinate, Worksheet $worksheet): string
{
// Uppercase coordinate
$coordinate = strtoupper($coordinate);
// Eliminate leading equal sign
$testCoordinate = (string) preg_replace('/^=/', '', $coordinate);
$defined = $worksheet->getParentOrThrow()->getDefinedName($testCoordinate, $worksheet);
if ($defined !== null) {
if ($defined->getWorksheet() === $worksheet && !$defined->isFormula()) {
$coordinate = (string) preg_replace('/^=/', '', $defined->getValue());
}
}
return $coordinate;
}
}
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.
FAQ Section
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.
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
In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy
