12:16:30 Create new PHPExcel object<br />12:16:30 Set document properties<br />12:16:30 Add data<br />12:16:30 Set data validation<br />12:16:30 Write to Excel2007 format<br />12:16:30 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0331 seconds<br />12:16:30 Current memory usage: 3.75 MB<br />12:16:30 Peak memory usage: 3.75 MB<br />12:16:30 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />