02:57:02 Enable Cell Caching using MemoryGZip method<br />02:57:02 Create new PHPExcel object<br />02:57:02 Set properties<br />02:57:02 Add data<br />02:57:02 Hide 'Phone' and 'fax' columns<br />02:57:02 Set outline levels<br />02:57:02 Freeze panes<br />02:57:02 Rows to repeat at top<br />02:57:04 Write to Excel2007 format<br />02:57:06 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2569 seconds<br />02:57:06 Current memory usage: 18 MB<br />02:57:06 Peak memory usage: 22 MB<br />02:57:06 Done writing file<br />File has been created in /var/www/html/SFL/vendor/phpoffice/phpexcel/Examples<br />