19:36:30 Create new PHPExcel object<br />19:36:30 Set document properties<br />19:36:30 Add data<br />19:36:30 Set data validation<br />19:36:30 Write to Excel5 format<br />19:36:30 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0195 seconds<br />19:36:30 Current memory usage: 6.25 MB<br />19:36:30 Peak memory usage: 6.25 MB<br />19:36:30 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />