src/Contao/View/Contao2BackendView/Widget/FileTreeOrder.php
protected function getSerializedValue()
    {
        if (null === $this->varValue) {
            $this->varValue = [];
        }

        return \implode(',', \array_map('\Contao\StringUtil::binToUuid', $this->varValue));
    }
protected function getSerializedValue()
    {
        if (null === $this->varValue) {
            $this->varValue = [];
        }

        return \implode(',', \array_map('\Contao\StringUtil::binToUuid', $this->varValue));
    }
protected function getSerializedValue ( ) { if ( null === $ this -> varValue ) { $ this -> varValue = [ ] ; } return \ implode ( ',' , \ array_map ( '\Contao\StringUtil::binToUuid' , $ this -> varValue ) ) ; }
Get the value serialized as string.

@return string
Get the value serialized as string .