How do I detect search robots using PHP?

PHP | sin

Michael Zippo

Example :

       function  is_bot (  $system ) {   // List of bots  $bot_list  =  array  (   ’Googlebot’ ,  ’Baiduspider’ , ’ ia_archiver’ , ’ R6_FeedFetcher’ ,  ’NetcraftSurveyAgent’ ,  ’Sogou web spider’ ,  ’bingbot’ , ’ Yahoo! Slurp’ ,   ’facebookexternalhit’ ,  ’PrintfulBot’ , ’ msnbot’ ,   ’Twitterbot’ , ’ UnwindFetchor’ ,  ’urlresolver’ );   // If this is a search engine bot  // returns true, otherwise returns false  foreach  (  $bot_list  as  $bl ) {   if  (  stripos  (  $system ,  $bl )! == false)   return  true;  }   return  false; }  echo  is_bot (  ’Googlebot’ );  
 ?> Output:


                
                    
                        
                          
                          
                          
                            
                                           
                    
                    
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