21:32:03 Create new PHPExcel object<br />21:32:03 Set document properties<br />21:32:03 Add data<br />21:32:03 Set data validation<br />21:32:03 Write to Excel2007 format<br />21:32:03 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0023 seconds<br />21:32:03 Current memory usage: 1.5 MB<br />21:32:03 Peak memory usage: 1.5 MB<br />21:32:03 Done writing file<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />