11:28:50 Enable Cell Caching using MemoryGZip method<br />11:28:50 Create new PHPExcel object<br />11:28:50 Set properties<br />11:28:50 Add data<br />11:28:50 Hide 'Phone' and 'fax' columns<br />11:28:50 Set outline levels<br />11:28:50 Freeze panes<br />11:28:50 Rows to repeat at top<br />11:28:51 Write to Excel2007 format<br />11:28:53 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.6969 seconds<br />11:28:53 Current memory usage: 28 MB<br />11:28:53 Peak memory usage: 31 MB<br />11:28:53 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />