22:48:57 Create new PHPExcel object<br />22:48:57 Set document properties<br />22:48:57 Add some data<br />22:48:57 Rename worksheet<br />22:48:57 Write to Excel2007 format<br />22:48:57 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0101 seconds<br />22:48:57 Current memory usage: 6 MB<br />22:48:57 Write to Excel5 format<br />22:48:57 File written to 01simple.xls<br />Call time to write Workbook was 0.0107 seconds<br />22:48:57 Current memory usage: 8 MB<br />22:48:57 Peak memory usage: 8 MB<br />22:48:57 Done writing files<br />Files have been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />