Pingpp\PingppObject::__get PHP Method

    public function __get($k)
    {
        if (array_key_exists($k, $this->_values)) {
            return $this->_values[$k];
        } else {
            if ($this->_transientValues->includes($k)) {
                $class = get_class($this);
                $attrs = join(', ', array_keys($this->_values));
                $message = "Pingpp Notice: Undefined property of {$class} instance: {$k}. " . "HINT: The {$k} attribute was set in the past, however. " . "It was then wiped when refreshing the object " . "with the result returned by Pingpp's API, " . "probably as a result of a save(). The attributes currently " . "available on this object are: {$attrs}";
                error_log($message);
                return null;
            } else {
                $class = get_class($this);
                error_log("Pingpp Notice: Undefined property of {$class} instance: {$k}");
                return null;
            }
        }
    }