20:21:06 Create new PHPExcel object<br />20:21:06 Set document properties<br />20:21:06 Add data<br />20:21:06 Set data validation<br />20:21:06 Write to Excel2007 format<br />20:21:06 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0135 seconds<br />20:21:06 Current memory usage: 3.75 MB<br />20:21:06 Peak memory usage: 3.75 MB<br />20:21:06 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />