Php implementation to determine whether access is a search engine robot method, to search engine _ PHP Tutorial

Php implements a method to determine whether access is a search engine robot. Php is used to determine whether an access route is a search engine robot. This document describes how php can determine whether an access route is a search engine robot. Share The php method to determine whether access is a search engine robot.

This example describes how php can determine whether an access path is a search engine robot. Share it with you for your reference. The specific analysis is as follows:

In many cases, we need to identify visitor routes and implement different actions for real users and search engines. First, we need to determine whether a search engine is used.

The php judgment method is very simple. you can identify it by filtering the $ _ SERVER ['http _ USER_AGENT '] parameter. The following is an excerpt from the source code of an open-source program:

private function getRobot(){ if (empty($_SERVER['HTTP_USER_AGENT'])) {  return false; } $searchEngineBot = array(  'googlebot'=>'google',  'mediapartners-google'=>'google',  'baiduspider'=>'baidu',  'msnbot'=>'msn',  'yodaobot'=>'yodao',  'youdaobot'=>'yodao',  'yahoo! slurp'=>'yahoo',  'yahoo! slurp china'=>'yahoo',  'iaskspider'=>'iask',  'sogou web spider'=>'sogou',  'sogou push spider'=>'sogou',  'sosospider'=>'soso',  'spider'=>'other',  'crawler'=>'other', ); $spider = strtolower($_SERVER['HTTP_USER_AGENT']); foreach ($searchEngineBot as $key => $value) {   if (strpos($spider, $key)!== false)  {   return $value;  } } return false;}public function isRobot(){ if($this->getRobot()!==false) {  return true; } return false;}

I hope this article will help you with php programming.

Examples in this article describe how php can determine whether an access path is a search engine robot. Share...