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Home  >  Article  >  Backend Development  >  PHP code to determine whether the visitor is a search engine or a real user

PHP code to determine whether the visitor is a search engine or a real user

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WBOYOriginal
2016-07-25 09:00:031641browse
  2. /**
  3. * Determine whether the access source is a search engine or a real user
  4. * site bbs.it-home.org
  5. */
  6. function is_bot()
  7. {
  8. /* This function will check whether the visitor is a search engine robot */
  9. //根据需要扩充此数组
  10. $botlist = array("Teoma", "alexa", "froogle", "Gigabot", "inktomi",
  11. "looksmart", "URL_Spider_SQL", "Firefly", "NationalDirectory",
  12. "Ask Jeeves", "TECNOSEEK", "InfoSeek", "WebFindBot", "girafabot",
  13. "crawler", "bbs.it-home.org", "Googlebot", "Scooter", "Slurp",
  14. "msnbot", "appie", "FAST", "WebBug", "Spade", "ZyBorg", "rabaz",
  15. "Baiduspider", "Feedfetcher-Google", "TechnoratiSnoop", "Rankivabot",
  16. "Mediapartners-Google", "Sogou web spider", "WebAlta Crawler","TweetmemeBot",
  17. "Butterfly","Twitturls","Me.dium","Twiceler");
  19. foreach($botlist as $bot)
  20. {
  21. if(strpos($_SERVER['HTTP_USER_AGENT'],$bot)!==false)
  22. return true; // Is a bot
  23. }
  25. return false; // Not a bot
  26. }
  27. ?>
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