18:57:02 Create new PHPExcel object<br />18:57:02 Set document properties<br />18:57:02 Add data<br />18:57:02 Set data validation<br />18:57:02 Write to Excel2007 format<br />18:57:02 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0031 seconds<br />18:57:02 Current memory usage: 2 MB<br />18:57:02 Peak memory usage: 2 MB<br />18:57:02 Done writing file<br />File has been created in /var/www/app.omnibizhq.com/vendor/phpoffice/phpexcel/Examples<br />