FluentDOM\Nodes::setContentType PHP Метод

    private function setContentType($value)
    {
        $mapping = ['text/xml' => 'text/xml', 'xml' => 'text/xml', 'application/xml' => 'text/xml', 'html-fragment' => 'text/html', 'text/html-fragment' => 'text/html', 'html' => 'text/html', 'text/html' => 'text/html'];
        $normalizedValue = strtolower($value);
        if (array_key_exists($normalizedValue, $mapping)) {
            $newContentType = $mapping[$normalizedValue];
        } else {
            $newContentType = $value;
        }
        if (isset($this->_parent) && $this->_contentType != $newContentType) {
            $this->_parent->contentType = $newContentType;
        }
        $this->_contentType = $newContentType;
    }