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<?php $url1 = "http://w.skyfox.org/";//主网站 $url2 = "http://www.skyfox.org/"; //备用网站 $array = get_headers($url,1); if(preg_match('/200/',$array[0])){ //200为正常代码,经常见到的还有404,400,500等 echo "<script language='javascript' type='text/javascript'>"; echo "window.location.href='$url1'"; echo "</script>"; // echo "<pre/>"; // print_r($array); }else{ echo "<script language='javascript' type='text/javascript'>"; echo "window.location.href='$url2'"; echo "</script>"; } ?> |
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