19:43:17 Create new PHPExcel object<br />19:43:17 Set document properties<br />19:43:17 Add data<br />19:43:17 Set data validation<br />19:43:17 Write to Excel5 format<br />19:43:17 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0088 seconds<br />19:43:17 Current memory usage: 6.25 MB<br />19:43:17 Peak memory usage: 6.25 MB<br />19:43:17 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />