01:31:39 Create new PHPExcel object<br />01:31:39 Set document properties<br />01:31:39 Add data<br />01:31:39 Set data validation<br />01:31:39 Write to Excel2007 format<br />01:31:39 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0212 seconds<br />01:31:39 Current memory usage: 5.75 MB<br />01:31:39 Peak memory usage: 5.75 MB<br />01:31:39 Done writing file<br />File has been created in /var/www/backup/vendor/phpoffice/phpexcel/Examples<br />