18:59:24 Create new PHPExcel object<br />18:59:24 Set document properties<br />18:59:24 Add some data<br />18:59:24 Rename worksheet<br />18:59:24 Write to Excel2007 format<br />18:59:24 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0097 seconds<br />18:59:24 Current memory usage: 6 MB<br />18:59:24 Write to Excel5 format<br />18:59:24 File written to 01simple.xls<br />Call time to write Workbook was 0.0091 seconds<br />18:59:24 Current memory usage: 8 MB<br />18:59:24 Peak memory usage: 8 MB<br />18:59:24 Done writing files<br />Files have been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />