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# get_headers

(PHP 5)

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

## Description

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. Returns `FALSE` on failure and an error of level `E_WARNING` will be issued.

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

> Note: Since PHP 5.1.3 this function uses the default stream context, which can be set/changed with the stream_context_get_default() function.

Example 1. get_headers() example
`<?php $url = 'http://www.example.com'; print_r(get_headers($url)); print_r(get_headers($url, 1)); ?>`
The above example will output something similar to:
    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
    )

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