PHP's call to existing search engines is detailed

This article is about PHP's call to the existing search engine detailed analysis of the introduction, the need for a friend reference

The code is as follows:

<?php     $key = $_get[' key ');                        Get keyword     $select = $_get[' select ');                  Get the search engine's Choice     switch ($select)                             //Jump to a different page depending on the search engine     {case         "Google":                          //google             $url = "http:/ /www.google.com/search?q= ". $key;             Header ("Location: $url");             break;         Case "Yahoo":                           //yahoo            $url = "http://search.yahoo.com/search?p=". $key;             Header ("Location: $url");             break;         Case "Baidu":                           //Baidu             $url = "http://www.baidu.com/s?wd=". $key;             Header ("Location: $url");             break;         Default:                                //If the search engine does not exist, end the program break             ;     }?>

Run result 36-4 as shown.

Figure 36-4 PHP Comprehensive search engine

After clicking the "Submit" button, you can see that the Yahoo website has been opened and found the relevant search results, as shown in 36-5.

Figure 36-5 Yahoo's search results