CURL is a tool that uses URL syntax to transmit files and data. it supports many protocols, such as HTTP, FTP, and TELNET. the best thing is that PHP also supports the cURL Library. PHP cURL library can be simple
1. what is CURL?CURL is a tool that
One, what is curl?CURL is a tool that uses URL syntax to transfer files and data, and supports many protocols, such as HTTP, FTP, Telnet, and so on. Best of all, PHP also supports the CURL library. Using the PHP Curl Library, you can easily and
[PHP]
Class Curl {
/*
* Get method get access to specified address
* @param the address to be accessed by the string URL
* @param the storage address of a string cookie cookie, no cookie is sent
* @return string curl_exec () gets the information
*
Currently, php provides the most comprehensive CURL description in Chinese. In PHP, the CURL Function Library (ClientURLLibraryFunction) curl_close-closes a curl session curl_copy_handle-copies all content of a curl connection resource and the CURL
[Php]Class Curl { /** Get access to the specified address* @ Param string url the address to be accessed* @ Param string cookie: The storage address of the cookie. If no cookie exists, no cookie is sent.* @ Return string curl_exec () information
Demo Code
Operation effect (Figure 1)
Operation effect (Figure 2)
Main Package function
Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The
Currently, the most comprehensive CURL Chinese explanation shows that PHP learning should be well mastered. There are many parameters. Most of them are useful. If you have mastered it and regular expressions, you must be a collection expert. First,
First, write a simple crawl page function
Copy Code code as follows:
function Getsources ($URL, $User _agent= ', $Referer _url= ')//crawl a specified page
{
$URL page address that needs to be crawled
$User _agent need to return
index.php/*Using the PHP Curl Library, you can easily and effectively grab pages. Just run a script, then analyze the crawled pages, and then you can get the data you want in a program.Whether you want to take part of the data from a link, or take
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