get_headers

(PHP 5)

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

Descrizione

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.

Elenco dei parametri

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.

Valori restituiti

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

Log delle modifiche

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

Esempi

Example#1 get_headers() example


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

print_r(get_headers($url));

print_r(get_headers($url, 1));
?>

Il precedente esempio visualizzerà qualcosa simile 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
)