21:17:01 Create new PHPExcel object<br />21:17:01 Set properties<br />21:17:01 Add data<br />21:17:01 Hide 'Phone' and 'fax' columns<br />21:17:01 Set outline levels<br />21:17:01 Freeze panes<br />21:17:01 Rows to repeat at top<br />21:17:01 Write to Excel2007 format<br />21:17:02 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.4534 seconds<br />21:17:02 Current memory usage: 22 MB<br />21:17:02 Peak memory usage: 26 MB<br />21:17:02 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />