18:23:30 Create new PHPExcel object<br />18:23:30 Set document properties<br />18:23:30 Add data<br />18:23:30 Set data validation<br />18:23:30 Write to Excel5 format<br />18:23:30 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0017 seconds<br />18:23:30 Current memory usage: 2.25 MB<br />18:23:30 Peak memory usage: 2.25 MB<br />18:23:30 Done writing file<br />File has been created in /var/www/wu1n/vendor/phpoffice/phpexcel/Examples<br />