stream_context_set_default

(PHP 5 >= 5.3.0)

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 );

 
 readfile ( 'http://www.example.com' );
 ?>

参见

stream_context_create() - 创建资源流上下文
stream_context_get_default() - Retrieve the default stream context
Listing of supported wrappers with context options (支持的协议和封装协议).