00:59:22 Create new PHPExcel object<br />00:59:22 Set document properties<br />00:59:22 Add data<br />00:59:22 Set data validation<br />00:59:22 Write to Excel2007 format<br />00:59:22 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0051 seconds<br />00:59:22 Current memory usage: 2 MB<br />00:59:22 Peak memory usage: 2 MB<br />00:59:22 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />