21:03:13 Create new PHPExcel object<br />21:03:13 Set properties<br />21:03:13 Add data<br />21:03:13 Hide 'Phone' and 'fax' columns<br />21:03:13 Set outline levels<br />21:03:13 Freeze panes<br />21:03:13 Rows to repeat at top<br />21:03:13 Write to Excel2007 format<br />21:03:14 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.4624 seconds<br />21:03:14 Current memory usage: 18 MB<br />21:03:14 Peak memory usage: 22 MB<br />21:03:14 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />