14:55:56 Create new PHPExcel object<br />14:55:56 Set document properties<br />14:55:56 Add data<br />14:55:56 Set data validation<br />14:55:56 Write to Excel2007 format<br />14:55:56 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0039 seconds<br />14:55:56 Current memory usage: 1.75 MB<br />14:55:56 Peak memory usage: 1.75 MB<br />14:55:56 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />