12:07:07 Create new PHPExcel object<br />12:07:07 Set properties<br />12:07:07 Add data<br />12:07:07 Hide 'Phone' and 'fax' columns<br />12:07:07 Set outline levels<br />12:07:07 Freeze panes<br />12:07:07 Rows to repeat at top<br />12:07:07 Write to Excel2007 format<br />12:07:08 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.6319 seconds<br />12:07:08 Current memory usage: 18 MB<br />12:07:08 Peak memory usage: 22 MB<br />12:07:08 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />