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
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
Getting started with curl in PHP. Getting started with curl in PHP this article mainly introduces the Getting Started with curl in PHP, this article explains curl overview, installation of curl, steps for using curl in PHP, and a simple curl code
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,
Curl usage in php CURL Library Function in PHP)
Curl_close? Close a curl sessionCurl_copy_handle? Copy all content and parameters of a curl connection resourceCurl_errno? Returns a number that contains the current session error message.Curl_error?
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
Curl Libraries in PHP (Client URL library function)
curl_close-closing a Curl session
curl_copy_handle-Copy all the contents and parameters of a Curl connection resource
curl_errno-returns a numeric number that contains the current session error
At first, cURL was designed as a command line tool. Fortunately, php also supports cURL. With cURL, We can freely send HTTP requests to a url in the php program to obtain or submit data, and support other protocols, such as FTP, Telnet, and SMTP. In
Curl function library in PHP (Client URL library function)
Curl_close-closes a Curl session
curl_copy_handle-copies all the contents and parameters of a Curl connection resource
curl_errno-returns a numeric number containing the current session
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