How to crawl Baidu pages and corresponding strings in php-PHP Tutorial-php.cn

This article mainly introduces the method of php to obtain Baidu included, Baidu hot words and Baidu snapshots. It analyzes the techniques of php to capture Baidu pages and corresponding string analysis with examples. It is of great practical value. Friends who need it can refer to it.

The example in this article describes the method of using PHP to obtain Baidu included, Baidu hot words and Baidu snapshots. The details are as follows:

Get Baidu included:

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Get Baidu’s hot words

(.*)<\/table>/is', $templateRss, $_description)) { $templateRss = $_description [0]; $templateRss = str_replace("&", "&", $templateRss); } $templateRss = "" . $templateRss; $xml = @simplexml_load_String($templateRss); foreach ($xml->tbody->tr as $temp) { if (!empty ($temp->td->a)) { $keyArray [] = trim(($temp->td->a)); } } return $keyArray; } print_r(getBaiduHotKeyWord());

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This is what I found online and was slightly modified. Write the following code into the php file
Baidu included and Baidu snapshot time

(.*)/"; /*用以匹配快照日期的字符串*/ $times = "/d{4}-d{1,2}-d{1,2}/"; /*匹配快照日期的正则表达式，如:2011-8-4*/ $s0 = @file_get_contents($all); /*将site:www.jb51.net的网页置入$s0字符串中*/ $s1 = @file_get_contents($today); preg_match($utf_pattern,$s0,$all_num); /*匹配"找到相关结果数*个"*/ preg_match($utf_pattern,$s1,$today_num); preg_match($kz_pattern,$s0,$temp); preg_match($times,$temp[0],$screenshot); if($all_num[1] == "") $all_num[1] = 0; if($today_num[1] == "") $today_num[1] = 0; if($screenshot[0] == "") $screenshot[0] = "暂无快照"; ?>   Test 
    日期 百度收录 百度今日收录 百度快照日期  
       
 
 百度收录： 
 百度今日收录： 
 百度快照日期：

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Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

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