19:02:51 Create new PHPExcel object<br />19:02:51 Set document properties<br />19:02:51 Add data<br />19:02:51 Set data validation<br />19:02:51 Write to Excel5 format<br />19:02:52 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 1.2537 seconds<br />19:02:52 Current memory usage: 2 MB<br />19:02:52 Peak memory usage: 2 MB<br />19:02:52 Done writing file<br />File has been created in /var/www/polr/vendor/phpoffice/phpexcel/Examples<br />