19:07:40 Create new PHPExcel object<br />19:07:40 Set properties<br />19:07:40 Add data<br />19:07:40 Hide 'Phone' and 'fax' columns<br />19:07:40 Set outline levels<br />19:07:40 Freeze panes<br />19:07:40 Rows to repeat at top<br />19:07:40 Write to Excel2007 format<br />19:07:41 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.6393 seconds<br />19:07:41 Current memory usage: 18 MB<br />19:07:41 Peak memory usage: 22 MB<br />19:07:41 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />