Apple Push Notification PHP script

<?php

    

    // set time limit to zero in order to avoid timeout

    set_time_limit(0);

    

    // charset header for output

    header('content-type: text/html; charset: utf-8');

    

    // this is the pass phrase you defined when creating the key

    $passphrase = 'test';

    

    // you can post a variable to this string or edit the message here

    if (!isset($_POST['msg'])) {

        $_POST['msg'] = "Test msg!";

    }

    

    // tr_to_utf function needed to fix the Turkish characters

    $message = tr_to_utf($_POST['msg']);

    

    // load your device ids to an array

    $deviceIds = array(

                       'devicetoken1',

                       'devicetoken2'

                       );

    

    // this is where you can customize your notification

    $payload = '{"aps":{"alert":"' . $message . '","sound":"default"}}';

    

    $result = 'Start' . '<br />';

    

    ////////////////////////////////////////////////////////////////////////////////

    // start to create connection

    $ctx = stream_context_create();

    stream_context_set_option($ctx, 'ssl', 'local_cert', 'apns.pem');

    stream_context_set_option($ctx, 'ssl', 'passphrase', $passphrase);

    

    echo count($deviceIds) . ' devices will receive notifications.<br />';

    

    foreach ($deviceIds as $item) {

        // wait for some time

        sleep(1);

        

        // Open a connection to the APNS server

        $fp = stream_socket_client('ssl://gateway.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT, $ctx);

        

        if (!$fp) {

            exit("Failed to connect: $err $errstr" . '<br />');

        } else {

            echo 'Apple service is online. ' . '<br />';

        }

        

        // Build the binary notification

        $msg = chr(0) . pack('n', 32) . pack('H*', $item) . pack('n', strlen($payload)) . $payload;

        

        // Send it to the server

        $result = fwrite($fp, $msg, strlen($msg));

        

        if (!$result) {

            echo 'Undelivered message count: ' . $item . '<br />';

        } else {

            echo 'Delivered message count: ' . $item . '<br />';

        }

        

        if ($fp) {

            fclose($fp);

            echo 'The connection has been closed by the client' . '<br />';

        }

    }

    

    echo count($deviceIds) . ' devices have received notifications.<br />';

    

    // function for fixing Turkish characters

    function tr_to_utf($text) {

        $text = trim($text);

        $search = array('Ü', 'Þ', 'Ð', 'Ç', 'Ý', 'Ö', 'ü', 'þ', 'ð', 'ç', 'ý', 'ö');

        $replace = array('Ãœ', 'Åž', '&#286;ž', 'Ç', 'Ä°', 'Ö', 'ü', 'ÅŸ', 'ÄŸ', 'ç', 'ı', 'ö');

        $new_text = str_replace($search, $replace, $text);

        return $new_text;

    }

    

    // set time limit back to a normal value

    set_time_limit(30);

    ?>