07:09:09 Enable Cell Caching using MemoryGZip method<br />07:09:09 Create new PHPExcel object<br />07:09:09 Set properties<br />07:09:09 Add data<br />07:09:09 Hide 'Phone' and 'fax' columns<br />07:09:09 Set outline levels<br />07:09:09 Freeze panes<br />07:09:09 Rows to repeat at top<br />07:09:11 Write to Excel2007 format<br />07:09:14 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.4335 seconds<br />07:09:14 Current memory usage: 27 MB<br />07:09:14 Peak memory usage: 30 MB<br />07:09:14 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />