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[php] php判断来访者是否是搜索引� |
房東:周小姐 發表時間:2016-10-31 |
function is_crawler() { $userAgent = strtolower($_SERVER['HTTP_USER_AGENT']); $spiders = array( 'Googlebot', // Google 爬虫 'Baiduspider', // 百度爬虫 'Yahoo! Slurp', // 雅虎爬虫 'YodaoBot', // 有道爬虫 'msnbot' // Bing爬虫 // 更多爬虫关键字 ); foreach ($spiders as $spider) { $spider = strtolower($spider); if (strpos($userAgent, $spider) !== false) { return true; } } return false; } //该代码片段来自于: http://www.sharejs.com/codes/php/8945 下面的php代码附带了更多的蜘蛛标识 view sourceprint? function isCrawler() { echo $agent= strtolower($_SERVER['HTTP_USER_AGENT']); if (!empty($agent)) { $spiderSite= array( "TencentTraveler", "Baiduspider+", "BaiduGame", "Googlebot", "msnbot", "Sosospider+", "Sogou web spider", "ia_archiver", "Yahoo! Slurp", "YoudaoBot", "Yahoo Slurp", "MSNBot", "Java (Often spam bot)", "BaiDuSpider", "Voila", "Yandex bot", "BSpider", "twiceler", "Sogou Spider", "Speedy Spider", "Google AdSense", "Heritrix", "Python-urllib", "Alexa (IA Archiver)", "Ask", "Exabot", "Custo", "OutfoxBot/YodaoBot", "yacy", "SurveyBot", "legs", "lwp-trivial", "Nutch", "StackRambler", "The web archive (IA Archiver)", "Perl tool", "MJ12bot", "Netcraft", "MSIECrawler", "WGet tools", "larbin", "Fish search", ); foreach($spiderSite as $val) { $str = strtolower($val); if (strpos($agent, $str) !== false) { return true; } } } else { return false; } } if (isCrawler()){ echo "你好蜘蛛精!"; } else{ echo "你不是蜘蛛精啊!"; } //该代码片段来自于: http://www.sharejs.com/codes/php/8945 |
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