让 PHP 识别搜索蜘蛛

Posted in Web Development // Posted at 2010/04/27 13:19

function is_search_bot()
{
	$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
	
	$identify = array(
		'googlebot',
		'adsbot-google',
		'gsa-crawler',
		'mediapartners-google',
		'baiduspider',
		'yahoo! slurp',
		'inktomi',
		'msnbot',
		'yodaobot',
		'outfoxbot',
		'sogou spider',
		'sosospider',
		'iaskspider',
		'naverrobot'
	);
	
	foreach ($identify AS $key => $tag)
	{
		if (strstr($user_agent, $tag))
		{
			return true;
		}
	}
	
	return false;
}

Tags Bot, Google, PHP

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