+ strpos($_SERVER['HTTP_USER_AGENT'], 'Cogentbot/1.') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'CatchBot/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'GingerCrawler/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'yacybot') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'www.yacy.net') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Nutch-1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Tagoobot/3.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'SapphireWebCrawler/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'BotOnParade') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'SurveyBot/2.3') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'XmarksFetch/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'spbot/2.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'TinEye/1.1') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'TurnitinBot/2.1') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'CligooRobot/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'libwww-perl') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Wget') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Python-urllib') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'CamontSpider/1.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'TwengaBot-Discover') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Hailoobot/1.2') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'bingbot/2.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'Exabot/3.0') !== false ||
+ strpos($_SERVER['HTTP_USER_AGENT'], 'spbot/2.1') !== false ||