stream_context_set_default

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

stream_context_set_default — Set the default stream context

Description

stream_context_set_default(array $options): resource

Set the default stream context which will be used whenever file operations (fopen(), file_get_contents(), etc...) are called without a context parameter. Uses the same syntax as stream_context_create().

Parameters

options: The options to set for the default context.

Note:
options must be an associative array of associative arrays in the format $arr['wrapper']['option'] = $value.

Return Values

Returns the default stream context.

Examples

Example #1 stream_context_set_default() example

<?php
$default_opts = array(
  'http'=>array(
    'method'=>"GET",
    'header'=>"Accept-language: en\r\n" .
              "Cookie: foo=bar",
    'proxy'=>"tcp://10.54.1.39:8000"
  )
);

$default = stream_context_set_default($default_opts);

/* Sends a regular GET request to proxy server at 10.54.1.39
 * For www.example.com using context options specified in $default_opts
 */
readfile('http://www.example.com');
?>

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User Contributed Notes 1 note

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Mahmoud Saeed ¶

3 years ago

It's worth mentioning that passing an empty array will NOT reset default options.

<?php
stream_context_set_default(array()); / Does nothing.
?>