16:16:43 Create new PHPExcel object<br />16:16:43 Set document properties<br />16:16:43 Add data<br />16:16:43 Set data validation<br />16:16:43 Write to Excel5 format<br />16:16:43 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0161 seconds<br />16:16:43 Current memory usage: 6 MB<br />16:16:43 Peak memory usage: 6 MB<br />16:16:43 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />