public function getMergeRange()
    {
        foreach ($this->getWorksheet()->getMergeCells() as $mergeRange) {
            if ($this->isInRange($mergeRange)) {
                return $mergeRange;
            }
        }
        return false;
    }
public function getMergeRange()
    {
        foreach ($this->getWorksheet()->getMergeCells() as $mergeRange) {
            if ($this->isInRange($mergeRange)) {
                return $mergeRange;
            }
        }
        return false;
    }
public function getMergeRange ( ) { foreach ( $ this -> getWorksheet ( ) -> getMergeCells ( ) as $ mergeRange ) { if ( $ this -> isInRange ( $ mergeRange ) ) { return $ mergeRange ; } } return false ; }
If this cell is in a merge range, then return the range

@return string
If this cell is in a merge range then return the range