What is CURL in php? Code example for CURL in php

The content of this article is about what is CURL in php? The code example of CURL in php has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

1. What is CURL

CURL is a powerful library that allows us to connect and communicate with various servers using various types of protocols. Supports http, https, ftp, gopher, telnet, dict, file and ldap protocols. It also supports HTTPS authentication, HTTP POST, HTTP PUT, FTP upload (this can also be completed through PHP's FTP extension), HTTP form-based upload, proxy, cookies and username and password authentication.

2. The basic process of using CURL to send requests

1. curl_init() Initialize the connection handle;

2. curl_setopt() settings CURL options;

3. curl_exec() executes the request;

4. curl_close() releases the VURL connection handle.

3. Use CURL to send get/post requests

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