php获取淘宝分类id示例

$url = "http://list.taobao.com/browse/cat-0.htm";
  $html = file_get_contents($url);
  echo <meta charset="UTF-8">;
  $pattern=/\<a\s+href\=\"http\:\/\/list\.taobao\.com\/itemlist\/.*?\&cat\=([0-9]+)\"\s+target\=\"\_blank\"\>(.*?)\<\/a\>/;
  preg_match_all($pattern, $html, $array, PREG_SET_ORDER);
  foreach($array as $item) {
   echo $item[1] . "=>" . mb_convert_encoding($item[2], UTF-8, GB2312);
   echo "<br />";
  }