composer require codecrafted/url-extractor

    require_once 'vendor/autoload.php';

    use  Codecrafted\UrlExtractor\URL;

    $links = new URL();
    $limit = 50;                            // count of each address you give

    //$url = "https://www.youtube.com";
    // $links->extractURL($url,$limit);

    $urls = [
            "https://www.youtube.com",
            "https://github.com/SeyedMahmoudMousavi"
    ];
    $links->extractURL($urls,$limit);

    $all_url_limtt = 50;                    // how many link you want to export
    $links->limit($all_url_limtt);          

    //$links->fileOnly();                   // export only files

    $fileTypes = ['.jpg','mp3'];            // your favorite file types
    $links->fileOnly($fileTypes);

    $links->sortURL();                      // sort links asc
    //$links->sortURL(true);                // sort links desc

    $links->showAsHTML();                   // show in web page
    $string_urls = $links->showURL();       // return as string
    $array_urls = $links->getURL();         // return as array     

    use Codecrafted\IronElephant\File;

    $f = new File();

    $data = $links->showURL();
    $f->write($data, 'links.txt');