21:23:40 Create new PHPExcel object<br />21:23:40 Set document properties<br />21:23:40 Add data<br />21:23:40 Set data validation<br />21:23:40 Write to Excel2007 format<br />21:23:40 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0084 seconds<br />21:23:40 Current memory usage: 2 MB<br />21:23:40 Peak memory usage: 2 MB<br />21:23:40 Done writing file<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />