17:03:48 Enable Cell Caching using MemoryGZip method<br />17:03:48 Create new PHPExcel object<br />17:03:48 Set properties<br />17:03:48 Add data<br />17:03:48 Hide 'Phone' and 'fax' columns<br />17:03:48 Set outline levels<br />17:03:48 Freeze panes<br />17:03:48 Rows to repeat at top<br />17:03:49 Write to Excel2007 format<br />17:03:51 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.3063 seconds<br />17:03:51 Current memory usage: 26.5 MB<br />17:03:51 Peak memory usage: 29.25 MB<br />17:03:51 Done writing file<br />File has been created in /var/www/rmzinfinity/vendor/phpoffice/phpexcel/Examples<br />