15:19:32 Create new PHPExcel object<br />15:19:32 Set document properties<br />15:19:32 Add some data<br />15:19:32 Rename worksheet<br />15:19:32 Write to Excel2007 format<br />15:19:32 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0296 seconds<br />15:19:32 Current memory usage: 5.75 MB<br />15:19:32 Write to Excel5 format<br />15:19:32 File written to 01simple.xls<br />Call time to write Workbook was 0.0236 seconds<br />15:19:32 Current memory usage: 8 MB<br />15:19:32 Peak memory usage: 8 MB<br />15:19:32 Done writing files<br />Files have been created in D:\wwwroot\yx\base_admin_welcome_new_student\vendor\phpoffice\phpexcel\Examples<br />