23:20:47 Create new PHPExcel object<br />23:20:47 Set document properties<br />23:20:47 Add data<br />23:20:47 Set data validation<br />23:20:47 Write to Excel2007 format<br />23:20:47 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0206 seconds<br />23:20:47 Current memory usage: 4 MB<br />23:20:47 Peak memory usage: 4 MB<br />23:20:47 Done writing file<br />File has been created in /home/wtogroup/wtogroup.com/vendor/phpoffice/phpexcel/Examples<br />