21:52:58 Create new PHPExcel object<br />21:52:58 Set document properties<br />21:52:58 Add data<br />21:52:58 Set data validation<br />21:52:58 Write to Excel2007 format<br />21:52:58 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0098 seconds<br />21:52:58 Current memory usage: 3.75 MB<br />21:52:58 Peak memory usage: 3.75 MB<br />21:52:58 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />