15:12:58 Create new PHPExcel object<br />15:12:58 Set document properties<br />15:12:58 Add some data<br />15:12:58 Rename worksheet<br />15:12:58 Write to Excel2007 format<br />15:12:58 File written to 42richText.xlsx<br />Call time to write Workbook was 0.0077 seconds<br />15:12:58 Current memory usage: 2 MB<br />15:12:58 Write to Excel5 format<br />15:12:58 File written to 42richText.xls<br />Call time to write Workbook was 0.0061 seconds<br />15:12:58 Current memory usage: 2 MB<br />15:12:58 Peak memory usage: 2 MB<br />15:12:58 Done writing files<br />Files have been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />