php 讀取 sogourank 與 ChinaRank資訊

function sogouRank($domain)
{
 $rank = '';
 $pr = 0;
 $content = get_content('http://www.sogou.com/web?query='.$domain);
 if(preg_match("/</span>([0-9]{1,})</dd>/", $content, $matches))
 {
  $pr = intval($matches[1]);
  $width = ceil(65*$pr/100);
  $rank = '<img src="./images/sg_left.gif" width="2" height="11" /><img src="./images/sg_left_img.gif" width="'.$width.'" height="11" /><img src="./images/sg_right_img.gif" width="'.(65-$width).'" height="11" /><img src="./images/sg_right.gif" width="2" height="11" />';
 }
 $rank = '<a href="http://www.sogou.com/web?query=link%3A'.$domain.'" target="_blank" title="搜狗Rank:'.$pr.'">'.$rank.'</a> '.$pr;
 return $rank;
}

function ChinaRank($domain)
{
 $rank = '';
 $content = get_content('http://www.chinarank.org.cn/detail/Info.do?url='.$domain);
 if(preg_match("/<strong>排名</strong>(.*)</tr>/", $content, $matches))
 {
  $p = trim(str_replace('</td>', '', $matches[1]));
  $p = explode("<td>", $p);
  if(isset($p[1])) $rank.= ' 今日:'.$p[1];
  if(isset($p[2])) $rank.= ' 本周:'.$p[2];
  if(isset($p[3])) $rank.= ' 三月:'.$p[3];
 }
 $rank = '<a href="http://www.chinarank.org.cn/detail/Info.do?url='.$domain.'" target="_blank">'.$rank.'</a>';
 return $rank;
}