15:59:06 Create new PHPExcel object<br />15:59:06 Set document properties<br />15:59:06 Add some data<br />15:59:06 Rename worksheet<br />15:59:06 Write to Excel2007 format<br />15:59:06 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0105 seconds<br />15:59:06 Current memory usage: 6 MB<br />15:59:06 Write to Excel5 format<br />15:59:06 File written to 01simple.xls<br />Call time to write Workbook was 0.0105 seconds<br />15:59:06 Current memory usage: 8 MB<br />15:59:06 Peak memory usage: 8 MB<br />15:59:06 Done writing files<br />Files have been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />