// Define the global var to avoid direct access to the library class.
define( 'Sendy_PHP_API_Wrapper', TRUE );

require_once( 'class-sendy-php-api.php' );

$config = array(
    'installation_url' => 'http://send.yourdomain.com',  // Your Sendy installation URL (without trailing slash).
    'api_key'          => 'XXXXXXXXXXXXXXXXXXXXXXXXXX', // Your API key. Aavailable in Sendy Settings.
    'list_id'          => 'XXXXXXXXXXXXXXXXXXXXXXXXXX',
);

$sendy = new \SENDY\Sendy_PHP_API( $config );

// Method #1: Subscribe.
$result_array = $sendy->subscribe( array(
    'name'   => 'Name',
    'email'  => '[email protected]', // This is the only field required by sendy.
    'custom' => 'field' // You can custom fields as well.
));

// Method #2: Unsubscribe.
$result_array = $sendy->unsubscribe( '[email protected]' );

// Method #3: Subscriber Status.
$result_array = $sendy->substatus( '[email protected]' );

// Method #4: Delete Subscriber.
$result_array = $sendy->delete( '[email protected]' );

// Method #5: Subscriber Count of a list.
$result_array = $sendy->subcount();

// Method #6: Campaign — Draft And/Or Send as well.
$result_array = $sendy->campaign( array(
    'from_name'     => 'Your Name',
    'from_email'    => '[email protected]',
    'reply_to'      => '[email protected]',
    'subject'       => 'Your Subject',
    'plain_text'    => 'An Amazing campaign', // (optional).
    'html_text'     => '<h1>Amazing campaign</h1>',
    'brand_id'      => 0, // Required only if you are creating a 'Draft' campaign.
    'send_campaign' => 0 // Set to 1 if you want to send the campaign as well and not just create a draft. Default is 0.
    'list_ids'      => 'your_list_id', // Required only if you set send_campaign to 1.
    'query_string'  => 'some', // Eg. Google Analytics tags.
) );

// Method #7: Change the `list_id` you are referring to at any point.
$sendy->set_list_id( "XXXXXXX" );

// Method #7: Get the `list_id` you are referring to at any point.
$sendy->get_list_id( "XXXXXXX" );

    // E.g. SUCCESS response.
    array(
        'status'  => true,
        'message' => 'Already Subscribed'
    )
    
    // E.g. FAIL response.
    array(
        'status'  => false,
        'message' => 'Some fields are missing.'
    )