get_headers

(PHP 5)

get_headers -- Fetches all the headers sent by the server in response to a HTTP request

Descrição

array get_headers ( string url [, int format] )

get_headers() returns an array with the headers sent by the server in response to a HTTP request.

Parâmetros

url

The target URL.

format

If the optional format parameter is set to 1, get_headers() parses the response and sets the array's keys.

Valores de retornado

Returns an indexed or associative array with the headers, or FALSE on failure.

Histórico

VersãoDescrição
5.1.3 This function now uses the default stream context, which can be set/changed with the stream_context_get_default() function.

Exemplos

Exemplo 1. get_headers() example

<?php
$url
= 'http://www.example.com';

print_r(get_headers($url));

print_r(get_headers($url, 1));
?>

O exemplo acima irá imprimir algo similar a:

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
)