Timber\Post::get_field PHP Метод

    public function get_field($field_name)
    {
        $value = apply_filters('timber_post_get_meta_field_pre', null, $this->ID, $field_name, $this);
        if ($value === null) {
            $value = get_post_meta($this->ID, $field_name);
            if (is_array($value) && count($value) == 1) {
                $value = $value[0];
            }
            if (is_array($value) && count($value) == 0) {
                $value = null;
            }
        }
        $value = apply_filters('timber_post_get_meta_field', $value, $this->ID, $field_name, $this);
        $value = $this->convert($value, __CLASS__);
        return $value;
    }