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HTTP context options

HTTP context options — HTTP context option listing

Description

Context options for http:// and https:// transports.

Options

method string

GET, POST, or any other HTTP method supported by the remote server.

Defaults to GET.

header string

Additional headers to be sent during request. Values in this option will override other values (such as User-agent:, Host:, and Authentication:).

user_agent string

Value to send with User-Agent: header. This value will only be used if user-agent is not specified in the header context option above.

By default the user_agent php.ini setting is used.

content string

Additional data to be sent after the headers. Typically used with POST or PUT requests.

proxy string

URI specifying address of proxy server. (e.g. tcp://proxy.example.com:5100).

request_fulluri boolean

When set to TRUE, the entire URI will be used when constructing the request. (i.e. GET http://www.example.com/path/to/file.html HTTP/1.0). While this is a non-standard request format, some proxy servers require it.

Defaults to FALSE.

max_redirects integer

The max number of redirects to follow. Value 1 or less means that no redirects are followed.

Defaults to 20.

protocol_version float

HTTP protocol version.

Defaults to 1.0.

Note: PHP prior to 5.3.0 does not implement chunked transfer decoding. If this value is set to 1.1 it is your responsibility to be 1.1 compliant.

timeout float

Read timeout in seconds, specified by a float (e.g. 10.5).

By default the default_socket_timeout php.ini setting is used.

ignore_errors boolean

Fetch the content even on failure status codes.

Defaults to FALSE

Changelog

Version	Description
5.3.0	The `protocol_version` supports chunked transfer decoding when set to 1.1.
5.2.10	Added `ignore_errors` .
5.2.1	Added `timeout` .
5.2.10	The `header` can now be an numerically indexed array.
5.1.0	Added HTTPS proxying through HTTP proxies.
5.1.0	Added `max_redirects` .
5.1.0	Added `protocol_version` .

Examples

Example #1 Fetch a page and send POST data


<?php

$postdata = http_build_query(
    array(
        'var1' => 'some content',
        'var2' => 'doh'
    )
);

$opts = array('http' =>
    array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => $postdata
    )
);

$context  = stream_context_create($opts);

$result = file_get_contents('http://example.com/submit.php', false, $context);

?>

Example #2 Ignore redirects but fetch headers and content


<?php

$url = "http://www.example.org/header.php";

$opts = array(
       'http' => array('method' => 'GET',
                                       'max_redirects' => '0',
                                       'ignore_errors' => '1')
       );

$context = stream_context_create($opts);
$stream = fopen($url, 'r', false, $context);

// header information as well as meta data
// about the stream
var_dump(stream_get_meta_data($stream));

// actual data at $url
var_dump(stream_get_contents($stream));
fclose($stream);
?>

Notes

Note: Underlying socket stream context options
Additional context options may be supported by the underlying transport For http:// streams, refer to context options for the tcp:// transport. For https:// streams, refer to context options for the ssl:// transport.