08:30:16 Create new PHPExcel object<br />08:30:16 Set document properties<br />08:30:16 Add data<br />08:30:16 Set data validation<br />08:30:16 Write to Excel2007 format<br />08:30:16 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0322 seconds<br />08:30:16 Current memory usage: 3.75 MB<br />08:30:16 Peak memory usage: 3.75 MB<br />08:30:16 Done writing file<br />File has been created in /home/factovizjh/opinion-way.pl/vendor/phpoffice/phpexcel/Examples<br />