21:26:17 Enable Cell Caching using MemoryGZip method<br />21:26:17 Create new PHPExcel object<br />21:26:17 Set properties<br />21:26:17 Add data<br />21:26:17 Hide 'Phone' and 'fax' columns<br />21:26:17 Set outline levels<br />21:26:17 Freeze panes<br />21:26:17 Rows to repeat at top<br />21:26:18 Write to Excel2007 format<br />21:26:19 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.2594 seconds<br />21:26:19 Current memory usage: 23.75 MB<br />21:26:19 Peak memory usage: 26.75 MB<br />21:26:19 Done writing file<br />File has been created in /var/www/chFinance/vendor/phpoffice/phpexcel/Examples<br />