protected function formatBooleanCellValue($node)
    {
        $nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_BOOLEAN_VALUE);
        // !! is similar to boolval()
        $cellValue = !!$nodeValue;
        return $cellValue;
    }
protected function formatBooleanCellValue($node)
    {
        $nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_BOOLEAN_VALUE);
        // !! is similar to boolval()
        $cellValue = !!$nodeValue;
        return $cellValue;
    }
protected function formatBooleanCellValue ( $ node ) { $ nodeValue = $ node -> getAttribute ( self :: XML_ATTRIBUTE_BOOLEAN_VALUE ) ; // !! is similar to boolval() $ cellValue = ! ! $ nodeValue ; return $ cellValue ; }
Returns the cell Boolean value from the given node.

@param \DOMNode $node
@return bool The value associated with the cell
Returns the cell Boolean value from the given node .