iOS APNS Push Notifications not received for last devices

iOS APNS Push Notifications not received for last devices

I have an iOS app with rss feeds, it has iOS push notification service ,
the push notifications works fine for some devices (the previous devices )
, but the new or last devices are not receive the push notifications for
this app at all . I think the error is in my php script , but I don't know
how I can solve it , the host of my website that connecting with my app is
BlueHost.com .
-Error log is :
[08-Aug-2013 11:00:14 America/Denver] PHP Warning: stream_socket_client():
unable to connect to ssl://gateway.push.apple.com:2195 (Unknown error) in
/home3/basiphon/public_html/Push.php on line 56 [08-Aug-2013 11:15:24
America/Denver] PHP Warning: stream_socket_client(): SSL: crypto enabling
timeout in /home3/basiphon/public_html/Push.php on line 56 [08-Aug-2013
11:15:24 America/Denver] PHP Warning: stream_socket_client(): Failed to
enable crypto in /home3/basiphon/public_html/Push.php on line 56
[08-Aug-2013 11:15:24 America/Denver] PHP Warning: stream_socket_client():
unable to connect to ssl://gateway.push.apple.com:2195 (Unknown error) in
/home3/basiphon/public_html/Push.php on line 56 [08-Aug-2013 11:30:33
America/Denver] PHP Warning: stream_socket_client(): unable to connect to
ssl://gateway.push.apple.com:2195 (Connection timed out) in
/home3/basiphon/public_html/Push.php on line 56 [08-Aug-2013 11:46:39
America/Denver] PHP Warning: stream_socket_client(): unable to connect to
ssl://gateway.push.apple.com:2195 (Connection timed out) in
/home3/basiphon/public_html/Push.php on line 56
-My PHP script
// Open a connection to the APNS server
$fp = stream_socket_client(
$url, $err,
$errstr, 2, STREAM_CLIENT_CONNECT|STREAM_CLIENT_PERSISTENT, $ctx);
if (!$fp)
exit("Failed to connect: $err $errstr" . PHP_EOL);
echo 'Connected to APNS' . PHP_EOL;
// Build the binary notification
$msg = chr(0) . pack('n', 32) . pack('H*', $deviceToken) . pack('n',
strlen($payload)) . $payload;
// Send it to the server
$result = fwrite($fp, $msg, strlen($msg));
if (!$result)
echo 'Message not delivered' . PHP_EOL;
else
{
echo 'Message successfully delivered111' . PHP_EOL;
$query_update="update wp_apns_messages set
status='delivered',delivery=NOW() where pid='$pid'";
$res_update=mysql_query($query_update) or die(mysql_error());
}
// Close the connection to the server
fclose($fp);
}
//echo "***"; ?> </body> </html> </i>