00:51:46 Enable Cell Caching using MemoryGZip method<br />00:51:46 Create new PHPExcel object<br />00:51:46 Set properties<br />00:51:46 Add data<br />00:51:46 Hide 'Phone' and 'fax' columns<br />00:51:46 Set outline levels<br />00:51:46 Freeze panes<br />00:51:46 Rows to repeat at top<br />00:51:47 Write to Excel2007 format<br />00:51:53 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 5.3543 seconds<br />00:51:53 Current memory usage: 27 MB<br />00:51:53 Peak memory usage: 30 MB<br />00:51:53 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />