Detailed explanation of php calls to existing search engines
This article is a detailed analysis and introduction of PHP's calls to the existing search index. Friends in need can refer to it
The code is as follows:
<?php $key = $_GET['key']; //获得关键字 $select = $_GET['select']; //获得搜索引擎的选择 switch($select) //根据搜索引擎的不同跳转到不同的页面 { 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": //百度 $url = "http://www.baidu.com/s?wd=".$key; header("Location: $url"); break; default: //如果搜索引擎不存在,结束程序 break; } ?>
The running results are shown in Figure 36-4.
Figure 36-4 PHP comprehensive search engine
After clicking the [Submit] button, you can see that the Yahoo website is opened and Relevant search results were found, as shown in Figure 36-5.
Figure 36-5 Yahoo search results
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