21:54:49 Enable Cell Caching using MemoryGZip method<br />21:54:49 Create new PHPExcel object<br />21:54:49 Set properties<br />21:54:49 Add data<br />21:54:49 Hide 'Phone' and 'fax' columns<br />21:54:49 Set outline levels<br />21:54:49 Freeze panes<br />21:54:49 Rows to repeat at top<br />21:54:50 Write to Excel2007 format<br />21:54:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.5967 seconds<br />21:54:55 Current memory usage: 24 MB<br />21:54:55 Peak memory usage: 28 MB<br />21:54:55 Done writing file<br />File has been created in /home/hktifuzy/public_html/invoices/vendor/turbo124/phpexcel/Examples<br />