18:44:15 Create new PHPExcel object<br />18:44:15 Set document properties<br />18:44:15 Add data<br />18:44:15 Set data validation<br />18:44:15 Write to Excel2007 format<br />18:44:15 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0255 seconds<br />18:44:15 Current memory usage: 6 MB<br />18:44:15 Peak memory usage: 6 MB<br />18:44:15 Done writing file<br />File has been created in /home/htdocs/zhyl/vendor/PHPExcel/Examples<br />