22:59:16 Enable Cell Caching using MemoryGZip method<br />22:59:16 Create new PHPExcel object<br />22:59:16 Set properties<br />22:59:16 Add data<br />22:59:16 Hide 'Phone' and 'fax' columns<br />22:59:16 Set outline levels<br />22:59:16 Freeze panes<br />22:59:16 Rows to repeat at top<br />22:59:17 Write to Excel2007 format<br />22:59:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.6624 seconds<br />22:59:20 Current memory usage: 27.5 MB<br />22:59:20 Peak memory usage: 30.25 MB<br />22:59:20 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />