19:12:13 Create new PHPExcel object<br />19:12:13 Set document properties<br />19:12:13 Add data<br />19:12:13 Set data validation<br />19:12:13 Write to Excel2007 format<br />19:12:13 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0109 seconds<br />19:12:13 Current memory usage: 4 MB<br />19:12:13 Peak memory usage: 4 MB<br />19:12:13 Done writing file<br />File has been created in /var/www/mp/vendor/phpoffice/phpexcel/Examples<br />