PHP | How to get headers from GET Request? : <p>I want to display the received headers from the GET Request that I send,</p>

<p>PHP:</p>

<pre><code>&lt;?php
$opts = array(
'http'=&gt;array(
'method'=&gt;"GET",
'header'=&gt;"User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:51.0) Gecko/20100101 Firefox/51.0"
));
$context = stream_context_create($opts);
$url = "http://spys.me/proxy.txt";
// instead of file_get_contents
$data = getallheaders($url, false, $context);

echo $data;
</code></pre>
