06:10:51 Create new PHPExcel object<br />06:10:51 Set document properties<br />06:10:51 Add data<br />06:10:51 Set data validation<br />06:10:51 Write to Excel2007 format<br />06:10:51 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0047 seconds<br />06:10:51 Current memory usage: 2 MB<br />06:10:51 Peak memory usage: 2 MB<br />06:10:51 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />