22:49:45 Create new PHPExcel object<br />22:49:45 Set document properties<br />22:49:45 Add data<br />22:49:45 Set data validation<br />22:49:45 Write to Excel5 format<br />22:49:45 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0128 seconds<br />22:49:45 Current memory usage: 6 MB<br />22:49:45 Peak memory usage: 6 MB<br />22:49:45 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />