18:39:47 Create new PHPExcel object<br />18:39:47 Set document properties<br />18:39:47 Add data<br />18:39:47 Set data validation<br />18:39:47 Write to Excel2007 format<br />18:39:47 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0036 seconds<br />18:39:47 Current memory usage: 2 MB<br />18:39:47 Peak memory usage: 2 MB<br />18:39:47 Done writing file<br />File has been created in /var/www/html/elite-calinog/vendor/phpoffice/phpexcel/Examples<br />