<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Utils;
use Nette;
class Helpers
{
/**
* Executes a callback and returns the captured output as a string.
*/
public static function capture(callable $func): string
{
ob_start(function () {});
try {
$func();
return ob_get_clean();
} catch (\Throwable $e) {
ob_end_clean();
throw $e;
}
}
/**
* Returns the last occurred PHP error or an empty string if no error occurred. Unlike error_get_last(),
* it is nit affected by the PHP directive html_errors and always returns text, not HTML.
*/
public static function getLastError(): string
{
$message = error_get_last()['message'] ?? '';
$message = ini_get('html_errors') ? Html::htmlToText($message) : $message;
$message = preg_replace('#^\w+\(.*?\): #', '', $message);
return $message;
}
/**
* Converts false to null, does not change other values.
*/
public static function falseToNull(mixed $value): mixed
{
return $value === false ? null : $value;
}
/**
* Returns value clamped to the inclusive range of min and max.
*/
public static function clamp(int|float $value, int|float $min, int|float $max): int|float
{
if ($min > $max) {
throw new Nette\InvalidArgumentException("Minimum ($min) is not less than maximum ($max).");
}
return min(max($value, $min), $max);
}
/**
* Looks for a string from possibilities that is most similar to value, but not the same (for 8-bit encoding).
* @param string[] $possibilities
*/
public static function getSuggestion(array $possibilities, string $value): ?string
{
$best = null;
$min = (strlen($value) / 4 + 1) * 10 + .1;
foreach (array_unique($possibilities) as $item) {
if ($item !== $value && ($len = levenshtein($item, $value, 10, 11, 10)) < $min) {
$min = $len;
$best = $item;
}
}
return $best;
}
/**
* Compares two values in the same way that PHP does. Recognizes operators: >, >=, <, <=, =, ==, ===, !=, !==, <>
*/
public static function compare(mixed $left, string $operator, mixed $right): bool
{
return match ($operator) {
'>' => $left > $right,
'>=' => $left >= $right,
'<' => $left < $right,
'<=' => $left <= $right,
'=', '==' => $left == $right,
'===' => $left === $right,
'!=', '<>' => $left != $right,
'!==' => $left !== $right,
default => throw new Nette\InvalidArgumentException("Unknown operator '$operator'"),
};
}
}
About Section
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.
FAQ Section
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.
Download the app and sign up using your email or phone number, then complete the verification process.
Yes, we use advanced encryption and security protocols to protect your payment details.
Absolutely, you can link multiple debit or credit cards to your wallet.
Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.
Use the “Forgot PIN” feature in the app to reset it following the provided instructions.
Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.
Yes, you can view and track your payment status in the account dashboard