19:59:31 Create new PHPExcel object<br />19:59:31 Set document properties<br />19:59:31 Add data<br />19:59:31 Set data validation<br />19:59:31 Write to Excel2007 format<br />19:59:31 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0301 seconds<br />19:59:31 Current memory usage: 1.75 MB<br />19:59:31 Peak memory usage: 2 MB<br />19:59:31 Done writing file<br />File has been created in /home/hsinlung/public_html/core/vendor/phpoffice/phpexcel/Examples<br />