Скрипт, получающий все ссылки с сайта

<?php
//скрипт, получает все ссылки с сайта
    $site = 'http://konyakov.ru/';
    foreach(get_urls($site) as $url) {
        echo '<a href="'.$url.'">'.$url.'</a><br>'."\n";
    }
    function my_sort($array) {
        $new_array = array();
        foreach($array as $value) {
            $new_array[] = $value;
        }
        return $new_array;
    }
    function DirnameNormal($url) {
        $fulldir = '';
        $explode = explode('/', $url);
        foreach($explode as $i => $dir) {
            if($dir && $i != (count($explode)-1)) {
                $fulldir .= $dir.'/';
            }
        }
        return $fulldir;
    }
    function JoinToSite($url, $site) {
        $domain = parse_url($site);
        $domain = $domain['scheme'].'://'.$domain['host'];
        if($url{0} == '/') {
            $link = $domain.$url;
        } else if(preg_match('~^http(s)?:~i', $url)) {
            if(parse_url($url, PHP_URL_HOST) == parse_url($site, PHP_URL_HOST)) {
                $link = $url;
            }
        } else {
            if(!preg_match('~^(ftp(s)?|javascript|mailto):~i',   $url)) {
                $dirname = DirnameNormal(parse_url($site, PHP_URL_PATH));
                $link = $domain.'/'.$dirname.$url;
            }
        }
        return (isset($link) ? $link : false);
    }
    function GetAllUrlsFromUrl($url, $all_links) {
        $first = file_get_contents($url);
        preg_match_all('~<a[^>]+href[\x20]?=[\x20\x22\x27]?([^\x20\x22\x27\x3E]+)[\x20\x22\x27]?[^>]*>~i',  $first, $second);
        $array_urls = array();
        foreach($second[1] as $link) {
            $link = JoinToSite($link, $url);
            if($link !== false && !in_array($link, $all_links)) {
                $array_urls[] = $link;
            }
        }
        return ((count($array_urls) > 0) ? $array_urls : false);
    }
    function get_urls($url, $all_links = array()) {
        $get_urls = GetAllUrlsFromUrl($url, $all_links);
        if($get_urls) {
            if($all_links == array()) {
                $all_links[] = $url;
            }
            $all_links = array_merge($all_links, $get_urls);
            foreach($get_urls as $url) {
                $GetAllUrls = get_urls($url, $all_links);
                return my_sort(array_unique($GetAllUrls));
            }
        } else {
            return $all_links;
        }
    }
?>