07:31:01 Create new PHPExcel object<br />07:31:01 Set document properties<br />07:31:01 Add data<br />07:31:01 Set data validation<br />07:31:01 Write to Excel2007 format<br />07:31:01 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0099 seconds<br />07:31:01 Current memory usage: 5.5 MB<br />07:31:01 Peak memory usage: 5.5 MB<br />07:31:01 Done writing file<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />