17:01:46 Create new PHPExcel object<br />17:01:46 Set document properties<br />17:01:46 Add data<br />17:01:46 Set data validation<br />17:01:46 Write to Excel2007 format<br />17:01:46 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0113 seconds<br />17:01:46 Current memory usage: 6 MB<br />17:01:46 Peak memory usage: 6 MB<br />17:01:46 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />