title: How to get headers parameters value using postman to php?
body: <p>i want to get all header parameters value which i used in postman headers tab.</p>
  
  <p>i passed value in header like : 'lancode','deviceId', etc..</p>
  
  <p>i try </p>
  
  <pre><code>$lancode = $request-&gt;header('lancode');
  </code></pre>
  
  <p>but this code is does not work for me.. other solution please</p>