title: how to receive json object from android using POST method
body: <p>I am working on a php script which receives data sent by android in json format using POST method.
  But i am not getting any data, here is my code</p>
  
  <pre><code>$josn = file_get_contents("php://input");   
  $json_data = json_decode($josn, true);   
  </code></pre>
  
  <p>i just tried to print $json_data by      </p>
  
  <pre><code>print_r($json_data);   
  </code></pre>
  
  <p>but its not showing any values </p>