00:35:13 Enable Cell Caching using MemoryGZip method<br />00:35:13 Create new PHPExcel object<br />00:35:13 Set properties<br />00:35:13 Add data<br />00:35:13 Hide 'Phone' and 'fax' columns<br />00:35:13 Set outline levels<br />00:35:13 Freeze panes<br />00:35:13 Rows to repeat at top<br />00:35:15 Write to Excel2007 format<br />00:35:17 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.7996 seconds<br />00:35:17 Current memory usage: 26.75 MB<br />00:35:17 Peak memory usage: 30 MB<br />00:35:17 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />