stream_context_set_default

(PHP 5 >= 5.3.0, PHP 7)

stream_context_set_default — Set the default stream context

说明

resource stream_context_set_default ( array $options )

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().

参数

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.

返回值

Returns the default stream context.

范例

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');
?>

参见