/home/kueuepay/public_html/vendor/nette/utils/src/Utils/FileSystem.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;


/**
 * File system tool.
 */
final class FileSystem
{
	/**
	 * Creates a directory if it does not exist, including parent directories.
	 * @throws Nette\IOException  on error occurred
	 */
	public static function createDir(string $dir, int $mode = 0777): void
	{
		if (!is_dir($dir) && !@mkdir($dir, $mode, recursive: true) && !is_dir($dir)) { // @ - dir may already exist
			throw new Nette\IOException(sprintf(
				"Unable to create directory '%s' with mode %s. %s",
				self::normalizePath($dir),
				decoct($mode),
				Helpers::getLastError(),
			));
		}
	}


	/**
	 * Copies a file or an entire directory. Overwrites existing files and directories by default.
	 * @throws Nette\IOException  on error occurred
	 * @throws Nette\InvalidStateException  if $overwrite is set to false and destination already exists
	 */
	public static function copy(string $origin, string $target, bool $overwrite = true): void
	{
		if (stream_is_local($origin) && !file_exists($origin)) {
			throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));

		} elseif (!$overwrite && file_exists($target)) {
			throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));

		} elseif (is_dir($origin)) {
			static::createDir($target);
			foreach (new \FilesystemIterator($target) as $item) {
				static::delete($item->getPathname());
			}

			foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
				if ($item->isDir()) {
					static::createDir($target . '/' . $iterator->getSubPathName());
				} else {
					static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathName());
				}
			}
		} else {
			static::createDir(dirname($target));
			if (@stream_copy_to_stream(static::open($origin, 'rb'), static::open($target, 'wb')) === false) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to copy file '%s' to '%s'. %s",
					self::normalizePath($origin),
					self::normalizePath($target),
					Helpers::getLastError(),
				));
			}
		}
	}


	/**
	 * Opens file and returns resource.
	 * @return resource
	 * @throws Nette\IOException  on error occurred
	 */
	public static function open(string $path, string $mode)
	{
		$f = @fopen($path, $mode); // @ is escalated to exception
		if (!$f) {
			throw new Nette\IOException(sprintf(
				"Unable to open file '%s'. %s",
				self::normalizePath($path),
				Helpers::getLastError(),
			));
		}
		return $f;
	}


	/**
	 * Deletes a file or an entire directory if exists. If the directory is not empty, it deletes its contents first.
	 * @throws Nette\IOException  on error occurred
	 */
	public static function delete(string $path): void
	{
		if (is_file($path) || is_link($path)) {
			$func = DIRECTORY_SEPARATOR === '\\' && is_dir($path) ? 'rmdir' : 'unlink';
			if (!@$func($path)) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to delete '%s'. %s",
					self::normalizePath($path),
					Helpers::getLastError(),
				));
			}
		} elseif (is_dir($path)) {
			foreach (new \FilesystemIterator($path) as $item) {
				static::delete($item->getPathname());
			}

			if (!@rmdir($path)) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to delete directory '%s'. %s",
					self::normalizePath($path),
					Helpers::getLastError(),
				));
			}
		}
	}


	/**
	 * Renames or moves a file or a directory. Overwrites existing files and directories by default.
	 * @throws Nette\IOException  on error occurred
	 * @throws Nette\InvalidStateException  if $overwrite is set to false and destination already exists
	 */
	public static function rename(string $origin, string $target, bool $overwrite = true): void
	{
		if (!$overwrite && file_exists($target)) {
			throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));

		} elseif (!file_exists($origin)) {
			throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));

		} else {
			static::createDir(dirname($target));
			if (realpath($origin) !== realpath($target)) {
				static::delete($target);
			}

			if (!@rename($origin, $target)) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to rename file or directory '%s' to '%s'. %s",
					self::normalizePath($origin),
					self::normalizePath($target),
					Helpers::getLastError(),
				));
			}
		}
	}


	/**
	 * Reads the content of a file.
	 * @throws Nette\IOException  on error occurred
	 */
	public static function read(string $file): string
	{
		$content = @file_get_contents($file); // @ is escalated to exception
		if ($content === false) {
			throw new Nette\IOException(sprintf(
				"Unable to read file '%s'. %s",
				self::normalizePath($file),
				Helpers::getLastError(),
			));
		}

		return $content;
	}


	/**
	 * Reads the file content line by line. Because it reads continuously as we iterate over the lines,
	 * it is possible to read files larger than the available memory.
	 * @return \Generator<int, string>
	 * @throws Nette\IOException  on error occurred
	 */
	public static function readLines(string $file, bool $stripNewLines = true): \Generator
	{
		return (function ($f) use ($file, $stripNewLines) {
			$counter = 0;
			do {
				$line = Callback::invokeSafe('fgets', [$f], fn($error) => throw new Nette\IOException(sprintf(
					"Unable to read file '%s'. %s",
					self::normalizePath($file),
					$error,
				)));
				if ($line === false) {
					fclose($f);
					break;
				}
				if ($stripNewLines) {
					$line = rtrim($line, "\r\n");
				}

				yield $counter++ => $line;

			} while (true);
		})(static::open($file, 'r'));
	}


	/**
	 * Writes the string to a file.
	 * @throws Nette\IOException  on error occurred
	 */
	public static function write(string $file, string $content, ?int $mode = 0666): void
	{
		static::createDir(dirname($file));
		if (@file_put_contents($file, $content) === false) { // @ is escalated to exception
			throw new Nette\IOException(sprintf(
				"Unable to write file '%s'. %s",
				self::normalizePath($file),
				Helpers::getLastError(),
			));
		}

		if ($mode !== null && !@chmod($file, $mode)) { // @ is escalated to exception
			throw new Nette\IOException(sprintf(
				"Unable to chmod file '%s' to mode %s. %s",
				self::normalizePath($file),
				decoct($mode),
				Helpers::getLastError(),
			));
		}
	}


	/**
	 * Sets file permissions to `$fileMode` or directory permissions to `$dirMode`.
	 * Recursively traverses and sets permissions on the entire contents of the directory as well.
	 * @throws Nette\IOException  on error occurred
	 */
	public static function makeWritable(string $path, int $dirMode = 0777, int $fileMode = 0666): void
	{
		if (is_file($path)) {
			if (!@chmod($path, $fileMode)) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to chmod file '%s' to mode %s. %s",
					self::normalizePath($path),
					decoct($fileMode),
					Helpers::getLastError(),
				));
			}
		} elseif (is_dir($path)) {
			foreach (new \FilesystemIterator($path) as $item) {
				static::makeWritable($item->getPathname(), $dirMode, $fileMode);
			}

			if (!@chmod($path, $dirMode)) { // @ is escalated to exception
				throw new Nette\IOException(sprintf(
					"Unable to chmod directory '%s' to mode %s. %s",
					self::normalizePath($path),
					decoct($dirMode),
					Helpers::getLastError(),
				));
			}
		} else {
			throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($path)));
		}
	}


	/**
	 * Determines if the path is absolute.
	 */
	public static function isAbsolute(string $path): bool
	{
		return (bool) preg_match('#([a-z]:)?[/\\\\]|[a-z][a-z0-9+.-]*://#Ai', $path);
	}


	/**
	 * Normalizes `..` and `.` and directory separators in path.
	 */
	public static function normalizePath(string $path): string
	{
		$parts = $path === '' ? [] : preg_split('~[/\\\\]+~', $path);
		$res = [];
		foreach ($parts as $part) {
			if ($part === '..' && $res && end($res) !== '..' && end($res) !== '') {
				array_pop($res);
			} elseif ($part !== '.') {
				$res[] = $part;
			}
		}

		return $res === ['']
			? DIRECTORY_SEPARATOR
			: implode(DIRECTORY_SEPARATOR, $res);
	}


	/**
	 * Joins all segments of the path and normalizes the result.
	 */
	public static function joinPaths(string ...$paths): string
	{
		return self::normalizePath(implode('/', $paths));
	}


	/**
	 * Converts backslashes to slashes.
	 */
	public static function unixSlashes(string $path): string
	{
		return strtr($path, '\\', '/');
	}


	/**
	 * Converts slashes to platform-specific directory separators.
	 */
	public static function platformSlashes(string $path): string
	{
		return DIRECTORY_SEPARATOR === '/'
			? strtr($path, '\\', '/')
			: str_replace(':\\\\', '://', strtr($path, '/', '\\')); // protocol://
	}
}
Developer

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.