10:13:27 Create new PHPExcel object<br />10:13:27 Set document properties<br />10:13:27 Add data<br />10:13:27 Set data validation<br />10:13:27 Write to Excel2007 format<br />10:13:27 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0055 seconds<br />10:13:27 Current memory usage: 2 MB<br />10:13:27 Peak memory usage: 2 MB<br />10:13:27 Done writing file<br />File has been created in /var/www/test_site/DMUStock/vendor/phpoffice/phpexcel/Examples<br />