Curl Crawl Web content PHP

1.cURL

Curl is a tool that clients request resources from the server

2.cURL Usage Scenarios

Web resources: web crawler

WebService Data Interface resource: Dynamically get Interface Data Weather number attribution

FTP resources: Download files from FTP server

Additional resources: All network resources can be accessed and downloaded with Curl

3. In PHP, decide whether to support

Linux determines if Php-i is supported | grep CURL

Does Windows support Php-i

4. Using Curl in PHP

1. Initialize Curl Curl_init ();

2. Send request to server to accept Server Data curl_exec ()

3. Turn off Curl Curl_close ()

5.

Php-f demo.php > hello.html

Curl Crawl Web content PHP