12:17:54 Create new PHPExcel object<br />12:17:54 Set document properties<br />12:17:54 Add data<br />12:17:54 Set data validation<br />12:17:54 Write to Excel2007 format<br />12:17:54 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0459 seconds<br />12:17:54 Current memory usage: 6 MB<br />12:17:54 Peak memory usage: 6 MB<br />12:17:54 Done writing file<br />File has been created in /home/app/htdocs/lidia/vendor/phpoffice/phpexcel/Examples<br />