02:31:00 Create new PHPExcel object<br />02:31:00 Set document properties<br />02:31:00 Add data<br />02:31:00 Set data validation<br />02:31:00 Write to Excel2007 format<br />02:31:00 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0060 seconds<br />02:31:00 Current memory usage: 2 MB<br />02:31:00 Peak memory usage: 2 MB<br />02:31:00 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />