APNS PHP Push Notification does not work. Received timeout

Question

I am trying to send push notification in a production environment but it is not working. Below is the code I'm trying and it expires. No errors, no exceptions thrown. What's bad about it?

Note. . When I send a push notification using Sandbox ( ENVIRONMENT_SANDBOX) and the development certificate files, it works. However, production certificate files ENVIRONMENT_PRODUCTIONdo not work.

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);

/**
 * @param string $device_token   unique device token
 * @param string $custom_message message that needs to be pushed
 * @param string $push_service   which service to use ( ApnsPHP/UrbanAirship )
 *
 * @return bool
 * @throws ApnsPHP_Exception
 * @throws ApnsPHP_Message_Exception
 * @throws ApnsPHP_Push_Exception
 * @throws Exception
 */
function send_apple_push_notification_test( $device_token, $custom_message, $push_service = 'ApnsPHP' ) {

    if ( empty( $device_token ) || empty( $custom_message ) ) {
        return false;
    }

    // Report all PHP errors
    error_reporting( -1 );

    // Adjust to your time-zone
    date_default_timezone_set( 'America/New_York' );

    // Using Autoload all classes are loaded on-demand
    require_once 'includes/ApnsPHP/Autoload.php';

    try {

        // Instantiate a new ApnsPHP_Push object
        $push = new ApnsPHP_Push(
            ApnsPHP_Abstract::ENVIRONMENT_PRODUCTION, '/home/xxxxx/public_html/wp-content/themes/yyyyyy/includes/ApnsPHP-pem/AppPushNotify.pem'
        );

        // Set the Root Certificate Authority to verify the Apple remote peer
        $push->setRootCertificationAuthority( '/home/xxxxx/public_html/wp-content/themes/yyyyyy/includes/ApnsPHP-pem/Entrust_Root_Certification_Authority.pem' );

        // Connect to the Apple Push Notification Service
        $push->connect();

        // Instantiate a new Message with a single recipient
        $message = new ApnsPHP_Message_Custom( (string) $device_token );

        // Set a custom identifier. To get back this identifier use the getCustomIdentifier() method
        // over a ApnsPHP_Message object retrieved with the getErrors() message.
        $message->setCustomIdentifier( "xxxyyyzzz-" . time() );

        // Set a simple welcome text
        $message->setText( (string) $custom_message );

        // Play the default sound
        $message->setSound();

        // Set the expiry value to 30 seconds
        $message->setExpiry( 60 );

        // Set the "View" button title.
        $message->setActionLocKey( 'See the message.' );

        // Add the message to the message queue
        $push->add( $message );

        // Send all messages in the message queue
        $push->send();

        // Disconnect from the Apple Push Notification Service
        $push->disconnect();

        // Examine the error message container
        $aErrorQueue = $push->getErrors();
        print_r( $aErrorQueue );

        return true;

    } catch ( Exception $e ) {
        print_r( $e->getMessage() );
    }

    return false;
}

echo "start";
send_apple_push_notification_test( '20fcc5090eb1f539ac0fddd345r4d0c50e5bca071b742d3d9833f16dd97adeb', 'Test Msg for Production' );

Answer 1

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