18:59:02 Create new PHPExcel object<br />18:59:02 Set document properties<br />18:59:02 Add data<br />18:59:02 Set data validation<br />18:59:02 Write to Excel5 format<br />18:59:02 File written to 15datavalidation-xls.xls<br />Call time to write Workbook was 0.0127 seconds<br />18:59:02 Current memory usage: 6 MB<br />18:59:02 Peak memory usage: 6 MB<br />18:59:02 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />