how to check if curl installed

Linux Curl is a tool for uploading or downloading files under the command line via URL syntax, which supports a variety of protocols such as http,https,ftp,ftps,telnet, which are often used to crawl Web pages and monitor the status of Web Servers.

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

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

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,

Linux Command curl command details, linux Command curl detailsCommand: curlIn linux, curl is a File Transfer tool that uses URL rules to work under the command line. It can be said that it is a powerful http command line tool. It supports file

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 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

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 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?

Statement: I have translated several untranslated parts of the original post. ---------------------------------------------------- The post starts -------------------------------------------------------   Curl library function in PHP)   Curl_close-