MT-cod/php-testing-project-lvl1

#!/usr/bin/env php
<?php

namespace Downloader\Downloader;

$autoloadPath1 = __DIR__ . '/../../../autoload.php';
$autoloadPath2 = __DIR__ . '/../vendor/autoload.php';
if (file_exists($autoloadPath1)) {
    require_once $autoloadPath1;
} else {
    require_once $autoloadPath2;
}

$doc = <<<'DOCOPT'
Downloads page from URL and save it locally                                                              
                                                                                                         
Usage:                                                                                                   
    page-loader (-h|--help)                                                                              
    page-loader [--output <dir>] <url>                                                                   
    page-loader (-v|--version)                                                                           
                                                                                                         
Options:                                                                                                 
  -h --help            display help for command                                                          
  -v --version         output the version number                                                         
  -o --output <dir>    output dir

DOCOPT;

$startingParams = \Docopt::handle($doc, array('version'=>'2.0.0'));

$url = $startingParams['<url>'];

//['--output'] - директория вывода результата работы page-loader по Docopt-у
//если не задан, то подставляем директорию запуска программы
$outputDir = $startingParams['--output'] ?? __DIR__;

echo("\nPage was successfully downloaded into " . downloadPage($url, $outputDir) . "\n");