/home/kueuepay/public_html/vendor/nette/utils/src/Utils/Helpers.php
<?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'"),
		};
	}
}
Path: home/kueuepay/public_html/vendor/nette/utils/src/Utils
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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