PHP determines whether it is reprinted by search engine spider

Introduction: This is a detailed page for PHP to determine whether a search engine is reprinted by a spider. It introduces PHP-related knowledge, skills, and experience, and some PHP source code.

Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 341727 'rolling = 'no'>/*** determine whether the search engine is a spider ** @ author Eddy * @ return bool */function iscrawler () {$ agent = strtolower ($ _ server ['HTTP _ user_agent ']); If (! Empty ($ agent) {$ spidersite = array ("tencenttraveler", "baiduspider +", "baidugame", "googlebot", "msnbot", "sososospider + ", "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", "m J12bot "," Netcraft "," msiecrawler "," wget Tools "," larbin "," Fish search ",); foreach ($ spidersite as $ Val) {$ STR = strtolower ($ Val); If (strpos ($ agent, $ Str )! = False) {return true ;}}else {return false ;}}

Love J2EE follow Java Michael Jackson video station JSON online tools

Http://biancheng.dnbcw.info/php/341727.html pageno: 6.