10:58:05 Create new PHPExcel object<br />10:58:05 Set document properties<br />10:58:05 Add data<br />10:58:05 Set data validation<br />10:58:05 Write to Excel2007 format<br />10:58:06 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0074 seconds<br />10:58:06 Current memory usage: 1.5 MB<br />10:58:06 Peak memory usage: 1.5 MB<br />10:58:06 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />