Bolt\Legacy\Content::getDecodedValue PHP Method

    public function getDecodedValue($name)
    {
        $value = null;
        if (isset($this->values[$name])) {
            $fieldtype = $this->fieldtype($name);
            $fieldinfo = $this->fieldinfo($name);
            $allowtwig = !empty($fieldinfo['allowtwig']);
            switch ($fieldtype) {
                case 'markdown':
                    // Deprecated: This should be moved to a render function in
                    // Bolt\Storage\Field\Type\MarkdownType eventually.
                    $value = $this->app['markdown']->text($this->values[$name]);
                    $value = $this->preParse($value, $allowtwig);
                    $value = new \Twig_Markup($value, 'UTF-8');
                    break;
                case 'html':
                case 'text':
                case 'textarea':
                    $value = $this->preParse($this->values[$name], $allowtwig);
                    $value = new \Twig_Markup($value, 'UTF-8');
                    break;
                case 'imagelist':
                case 'filelist':
                    if (is_string($this->values[$name])) {
                        // Parse the field as JSON, return the array
                        $value = json_decode($this->values[$name]);
                    } else {
                        // Already an array, do nothing.
                        $value = $this->values[$name];
                    }
                    break;
                case 'image':
                    if (is_array($this->values[$name]) && isset($this->values[$name]['file'])) {
                        $value = $this->values[$name]['file'];
                    } else {
                        $value = $this->values[$name];
                    }
                    break;
                default:
                    $value = $this->values[$name];
                    break;
            }
        }
        return $value;
    }