Test mailrelay

class.mr.php

<?php

class MR {
        
    private $url = null;
    private $apikey = null;
    public $id_package = null;
    
    function __construct($url, $apikey){
        $this->url = $url;
        $this->apikey = $apikey;
    }
    
    public function prepare(){
        $this->id_package = $this->makeRequest('getPackages')['data'][0]['id'];
    }
    
    public function makeRequest($function, $data = array()){
        
        $curl = curl_init($this->url);
        
        $postData = array_merge(array(
            'function' => $function,
            'apiKey' => $this->apikey,
        ), $data);
        
        $post = http_build_query($postData);
         
        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
         
        $json = curl_exec($curl);
        if ($json === false) {
            die('Request failed with error: '. curl_error($curl));
        }
         
        $result = json_decode($json, true);
        
        if($result['status'] != 1){
            var_dump($result);
            throw new Exception("Error Processing Request", 1);
        }
            
        
        return $result;

    }
    
    public function addCampaign($data = null){
        
        $postData = array_merge(array(
            'mailboxFromId' => 1,
            'mailboxReplyId' => 1,
            'mailboxReportId' => 1,
            'emailReport' => true,
            'groups' => array(1),
            'text' => null,
            'packageId' => $this->id_package,
        ), $data);
        
        return $this->makeRequest('addCampaign', $postData);
    }

    public function getOrCreateCampaignFolderId($name){
        
        $folders = $this->makeRequest('getCampaignFolders')['data'];

        $wanted_folder = array_filter($folders, function($folder) use ($name){
            return $folder['name'] == $name;
        });

        if(empty($wanted_folder)){
            return $this->makeRequest('addCampaignFolder', array('name' => $name))['data'];
        }else{
            return $wanted_folder[0]['id'];
        }
    }
}

test.php

<?php

require_once 'class.mr.php';


# Instancia y prepara la clase:

$mr = new MR(
    'http://[...].ip-zone.com/ccm/admin/api/version/2/&type=json',
    '[...]'
);
$mr->prepare();

# Averigua el id de la carpeta que se quiere usar:

$id_folder = $mr->getOrCreateCampaignFolderId('wordpress');

# Crea una campaña y guarda el id:
# El array de parámetros sobreescribe los que tenga el método por defecto.

$new_campaign_id = $mr->addCampaign(array(
    'subject' => '[name], nosequé',
    'html' => 'Hola [name], deberías darte de baja, desde aquí: [unsubscribe_url].',
    'campaignFolderId' => $id_folder
))['data'];

# Envía la campaña recién creada:

$send = $mr->makeRequest('sendCampaign', array(
    'id' => $new_campaign_id
));

if($send['status'] == 1){
    echo 'Se está enviando la campaña ' . $new_campaign_id;
}else{
    echo '...';
}