gistfile1.php

<?php

$streamContext = stream_context_create();
stream_context_set_option($streamContext, 'ssl', 'local_cert', 'apns-dev.pem');
 
$apns = stream_socket_client(
    'ssl://feedback.sandbox.push.apple.com:2196',
    $error,
    $errorString,
    60,
    STREAM_CLIENT_CONNECT,
    $streamContext
);
 
if($apns) {
  while ($data = fread($apns, 38)) {
    $feedback = unpack("N1timestamp/n1length/H*devtoken", $data);
    echo "Sent message at " . date("r", $feedback['timestamp']);
    echo " with length " . $feedback['length'];
    echo " to token " . $feedback['devtoken'];
  }
  fclose($fp);
}

?>