20:58:46 Create new PHPExcel object<br />20:58:46 Set document properties<br />20:58:46 Add data<br />20:58:46 Set data validation<br />20:58:46 Write to Excel2007 format<br />20:58:46 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0099 seconds<br />20:58:46 Current memory usage: 4 MB<br />20:58:46 Peak memory usage: 4 MB<br />20:58:46 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />