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January 21, 2017 12:21
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ByPass CloadFlare 404 pages in WordPress - Force WP to show Theme 404 Page in CloadFlare!
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| add_filter( 'status_header', 'better_studio_bypass_cloadflare_404_status_header', 100, 2 ); | |
| function better_studio_bypass_cloadflare_404_status_header( $status_header, $code ) { | |
| // Detect 404 page | |
| if ( $code === 404 ) { | |
| // Return normal content type when user agent in not set | |
| if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) { | |
| // Return normal content type for real visitors | |
| // When the $status_header was empty then the http_response_code will be rejected by PHP | |
| // http://php.net/manual/en/function.header.php | |
| return ''; | |
| } | |
| // Crawlers list | |
| $crawlers_agents = array( | |
| 'googlebot', | |
| 'msn', | |
| 'rambler', | |
| 'yahoo', | |
| 'abachobot', | |
| 'accoona', | |
| 'aciorobot', | |
| 'aspseek', | |
| 'cococrawler', | |
| 'dumbot', | |
| 'fast-webcrawler', | |
| 'geonabot', | |
| 'gigabot', | |
| 'lycos', | |
| 'msrbot', | |
| 'scooter', | |
| 'altavista', | |
| 'idbot', | |
| 'estyle', | |
| 'scrubby', | |
| 'ia_archiver', | |
| 'jeeves', | |
| 'slurp@inktomi', | |
| 'turnitinbot', | |
| 'technorati', | |
| 'findexa', | |
| 'findlinks', | |
| 'gaisbo', | |
| 'zyborg', | |
| 'surveybot', | |
| 'bloglines', | |
| 'blogsearch', | |
| 'pubsub', | |
| 'syndic8', | |
| 'userland', | |
| 'become.com', | |
| 'baiduspider', | |
| '360spider', | |
| 'spider', | |
| 'sosospider', | |
| 'yandex', | |
| ); | |
| $user_agent = strtolower( $_SERVER['HTTP_USER_AGENT'] ); | |
| // Detects search engine crawlers to return 404 for them! | |
| // It enables Google Webmaster tools 404 page logs | |
| foreach ( $crawlers_agents as $crawler ) { | |
| if ( strpos( $user_agent, $crawler ) ) { | |
| return $status_header; | |
| } | |
| } | |
| // Return normal content type for real visitors | |
| // When the $status_header was empty then the http_response_code will be rejected by PHP | |
| // http://php.net/manual/en/function.header.php | |
| return ''; | |
| } | |
| return $status_header; | |
| } |
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