PHP版的捕捉搜索引擎蜘蛛爬行的代码（转贴）

/*
使用方法：
把以下代码粘贴到你想监控的页面php代码的之间的开头或结尾即可(也可以放在模板文件内)
*/
function get_naps_bot()
{
$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);

if (strpos($useragent, 'googlebot') !== false){
return 'Googlebot';
}

if (strpos($useragent, 'msnbot') !== false){
return 'MSNbot';
}

if (strpos($useragent, 'slurp') !== false){
return 'Yahoobot';
}

if (strpos($useragent, 'baiduspider') !== false){
return 'Baiduspider';
}

if (strpos($useragent, 'sohu-search') !== false){
return 'Sohubot';
}

if (strpos($useragent, 'lycos') !== false){
return 'Lycos';
}

if (strpos($useragent, 'robozilla') !== false){ php程序员之家
return 'Robozilla';
} php程序员之家

return false;
} www~phperz~com


function nowtime(){
$date=date("Y-m-d.G:i:s"); phperz.com

return $date;
} www.phperz.com

$searchbot = get_naps_bot(); phperz.com

if ($searchbot) {
$tlc_thispage = addslashes($_SERVER['HTTP_USER_AGENT']);
$url=$_SERVER['HTTP_REFERER'];
$file="robotlog.txt";
$time=nowtime();
$data=fopen($file,"a");
fwrite($data,"Time:$time robot:$searchbot URL:$tlc_thispage\n");
fclose($data);
}
?>