02:43:57 Enable Cell Caching using MemoryGZip method<br />02:43:57 Create new PHPExcel object<br />02:43:57 Set properties<br />02:43:57 Add data<br />02:43:57 Hide 'Phone' and 'fax' columns<br />02:43:57 Set outline levels<br />02:43:57 Freeze panes<br />02:43:57 Rows to repeat at top<br />02:43:59 Write to Excel2007 format<br />02:44:01 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1282 seconds<br />02:44:01 Current memory usage: 12 MB<br />02:44:01 Peak memory usage: 18 MB<br />02:44:01 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />