public function disableStripWhitespace($flag = null)
    {
        if (null === $flag) {
            return ! $this->stripWhitespaceFlag;
        }
        $this->stripWhitespaceFlag = ! (bool) $flag;
        return $this;
    }
public function disableStripWhitespace($flag = null)
    {
        if (null === $flag) {
            return ! $this->stripWhitespaceFlag;
        }
        $this->stripWhitespaceFlag = ! (bool) $flag;
        return $this;
    }
public function disableStripWhitespace ( $ flag = null ) { if ( null === $ flag ) { return ! $ this -> stripWhitespaceFlag ; } $ this -> stripWhitespaceFlag = ! ( bool ) $ flag ; return $ this ; }
Set or get the flag indicating whether or not to strip whitespace

@param  null|bool $flag Null indicates retrieving; boolean value sets
@return bool|Lexer
Set or get the flag indicating whether or not to strip whitespace