15:19:31 Create new PHPExcel object<br />15:19:31 Set document properties<br />15:19:31 Add some data<br />15:19:31 Rename worksheet<br />15:19:31 Write to Excel2007 format<br />15:19:31 File written to 01simplePCLZip.xlsx<br />Call time to write Workbook was 0.0808 seconds<br />15:19:31 Current memory usage: 6.75 MB<br />15:19:31 Peak memory usage: 7.25 MB<br />15:19:31 Done writing files<br />Files have been created in D:\wwwroot\yx\base_admin_welcome_new_student\vendor\phpoffice\phpexcel\Examples<br />