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Retrieve the raw response from the HTTP request.
The array structure is a little complex.
$res = array( 'headers' => array(), 'response' => array('code' => int, 'message' => string) );
All of the headers in
$res['headers'] are with the name as the key and the
value as the value. So to get the User-Agent, you would do the following.
$user_agent = $res['headers']['user-agent'];
The body is the raw response content and can be retrieved from
This function is called first to make the request and there are other API
functions to abstract out the above convoluted setup.
wp_remote_request() is located in