Generate the sitemap for my website

sitemapgenerator.php

#!/usr/bin/env php
<?


        function getDirContents($dir, &$results = array()){
            $files = scandir($dir);
            foreach($files as $key => $value){
                if($value == ".git"){
                   continue;
                }
                $path = realpath($dir.DIRECTORY_SEPARATOR.$value);
                if(!is_dir($path)) {
                    $results[] = $path;
                } else if($value != "." && $value != "..") {
                    getDirContents($path, $results);
                    $results[] = $path;
                }
            }

            return $results;
        }


    $dir = "/home/public/";
    $list = getDirContents($dir);
    $htmlOnly = array_filter($list, function($value){
         if(strpos($value,".html") !== FALSE){
             return TRUE;
         }
    });

    $htmlOnly = array_map(function($value){ return str_replace("/home/public/","http://www.alanmbarr.com/", htmlspecialchars($value) );}, $htmlOnly);

    echo '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL;
    echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'.PHP_EOL;

    foreach($htmlOnly as $url){
$xml = <<<XML
<url>
  <loc>$url</loc>
</url>
XML;

      echo $xml;
      echo PHP_EOL;
    }

    echo '</urlset>';