# Column merging### Merging cellsTo merge a range of cells, use `->mergeCells($range)`. $sheet->mergeCells('A1:E1');### Merging columns and rowsTo merge columns and rows, use `->setMergeColumn($array)`. $sheet->setMergeColumn(array( 'columns' => array('A','B','C','D'), 'rows' => array( array(2,3), array(5,11), ) ));