Home  >  Article  >  Backend Development  >  PHP get_headers function explanation and usage introduction

PHP get_headers function explanation and usage introduction

WBOY
WBOYOriginal
2016-07-25 08:59:44864browse
  1. $url='http://bbs.it-home.org';
  2. print_r(get_headers($url));
  3. print_r(get_headers($url,1));
  4. ?>
Copy the code

Output results: Array ( [0] => HTTP/1.1 200 OK [1] => Date: Sat, 29 May 2004 12:28:13 GMT [2] => Server: Apache/1.3.27 (Unix) (Red-Hat/Linux) [3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT [4] => ETag: "3f80f-1b6-3e1cb03b" [5] => Accept-Ranges: bytes [6] => Content-Length: 438 [7] => Connection: close [8] => Content-Type: text/html ) Array ( [0] => HTTP/1.1 200 OK [Date] => Sat, 29 May 2004 12:28:14 GMT [Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux) [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT [ETag] => "3f80f-1b6-3e1cb03b" [Accept-Ranges] => bytes [Content-Length] => 438 [Connection] => close [Content-Type] => text/html )

Sometimes in order to obtain server-side response information, the get_headers() function is often used. It is recommended that you write more code and test it in practice to deepen your understanding.



Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn