/* 判断搜索引擎 摘自Discuz x3.2 */ function checkrobot($useragent=''){ static $kw_spiders = array('bot', 'crawl', 'spider' ,'slurp', 'sohu-search', 'lycos', 'robozilla'); static $kw_browsers = array('msie', 'netscape', 'opera', 'konqueror', 'mozilla'); $useragent = strtolower(empty($useragent) ? $_SERVER['HTTP_USER_AGENT'] : $useragent); if(strpos($useragent, 'http://') === false && dstrpos($useragent, $kw_browsers)) return false; if(dstrpos($useragent, $kw_spiders)) return true; return false; } function dstrpos($string, $arr, $returnvalue = false) { if(empty($string)) return false; foreach((array)$arr as $v) { if(strpos($string, $v) !== false) { $return = $returnvalue ? $v : true; return $return; } } return false; }
/* 判断搜索引擎 */ function checkrobot() { $userAgent = strtolower($_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; }
近期评论