(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
stream_context_create — Creates a stream context
   Creates and returns a stream context with any options supplied in
   options preset.
  
options
       Must be an associative array of associative arrays in the format
       $arr['wrapper']['option'] = $value, or null. Refer to context options for a list of available wrappers and options.
      
       Defaults to null.
      
params
       Must be an associative array in the format
       $arr['parameter'] = $value, or null.
       Refer to context parameters for
       a listing of standard stream parameters.
      
A stream context resource.
| Version | Description | 
|---|---|
| 8.0.0 | 
       options and params are now nullable.
       | 
     
Example #1 Using stream_context_create()
<?php
$opts = [
  'http' => [
    'method' => "GET",
    // Use newline \n to separate multiple headers
    'header' => "Accept-language: en\nCookie: foo=bar",
  ]
];
$context = stream_context_create($opts);
/* Sends an http request to www.example.com
   with additional headers shown above */
$fp = fopen('http://www.example.com', 'r', false, $context);
fpassthru($fp);
fclose($fp);
?>