function subscribe($email) { $return = array('status' => 1, 'error' => ''); require_once $_SERVER['DOCUMENT_ROOT'] . '/mailer/application/connect_db.php'; $object = new connect_db(); if ($object->email_exists($email)) { if ($object->subscribe($email)) { $return['status'] = 0; } } else { $return['error'] = 'Email does\'nt exists'; } return $return; }