title: How to send http2 request to APNS in PHP 5.6
body: <p>In our application using PHP 5.6 version. In this version is not enable HTTP2 protocol. So we can't able to send a push notification to the APNS. Suddenly we can't able to upgrade the PHP versions. </p>
  
  <p>How can I enable HTTP2 protocol and send a notification to APNS.</p>
  
  <p>We tried lot of things.</p>