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php 分析rss代码一段

<?php
function my_headlines($url) {
    $rdf = parse_url($url);
    $fp = fsockopen($rdf[@#host@#], 80, $errno, $errstr, 15);
    if (!$fp) {
        $content = "<font class=\"content\">Problema!</font>";
        return;
    }
    if ($fp) {
        fputs($fp, "GET " . $rdf[@#path@#] . "?" . $rdf[@#query@#] . " HTTP/1.0\r\n");
        fputs($fp, "HOST: " . $rdf[@#host@#] . "\r\n\r\n");
        $string = "";
        while(!feof($fp)) {
     $pagetext = fgets($fp,300);
     $string .= chop($pagetext);
}
fputs($fp,"Connection: close\r\n\r\n");
fclose($fp);
$items = explode("</item>",$string);
$content = "<font class=\"content\">";
for ($i=0;$i<10;$i++) {
     $link = ereg_replace(".*<link>","",$items[$i]);
     $link = ereg_replace("</link>.*","",$link);
     $title2 = ereg_replace(".*<title>","",$items[$i]);
     $title2 = ereg_replace("</title>.*","",$title2);
     if ($items[$i] == "") {
         $content = "";
         return;
     } else {
         if (strcmp($link,$title)) {
          $cont = 1;
      $content .= "<img src=\"images/arrow.gif\" border=\"0\" hspace=\"5\"><a href=\"$link\" target=\"new\">$title2</a><br>\n";
  }
     }
}
    }
    echo "$content";
}

my_headlines
?>

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