18:21:56 Create new PHPExcel object<br />18:21:56 Set document properties<br />18:21:56 Add data<br />18:21:56 Set data validation<br />18:21:56 Write to Excel2007 format<br />18:21:56 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0282 seconds<br />18:21:56 Current memory usage: 3.75 MB<br />18:21:56 Peak memory usage: 3.75 MB<br />18:21:56 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />