Someone suggested replacing Merged Cells in our Excel-formatted (.xlsx) reports with “Center Across Selection” which gives the same visual result without the undesirable side effects of merged cells.
We currently use PhpSpreadsheet v1.16 to generate our Excel-formatted (.xlsx) reports.
I could NOT find any PhpSpreadsheet documentation or discussion of this feature, other than the following PhpSpreadsheet CHANGELOG reference from over a decade ago:
Horizontal center across selection - @Erik Tilt
I dug into Microsoft file format reference material and finally determined that the PhpSpreadsheet equivalent to Excel “Center Across Selection” is the “Alignment::HORIZONTAL_CENTER_CONTINUOUS” value (aka “centerContinuous”).
Here’s how to apply Excel “Center Across Selection” to a range in PhpSpreadsheet:
$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
The code above will write text “Example” to cell A1. The text will be centered across 3 cells (A1,B1,C1).
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