09:41:47 Enable Cell Caching using MemoryGZip method<br />09:41:47 Create new PHPExcel object<br />09:41:47 Set properties<br />09:41:47 Add data<br />09:41:47 Hide 'Phone' and 'fax' columns<br />09:41:47 Set outline levels<br />09:41:47 Freeze panes<br />09:41:47 Rows to repeat at top<br />09:41:47 Write to Excel2007 format<br />09:41:48 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.7181 seconds<br />09:41:48 Current memory usage: 20 MB<br />09:41:48 Peak memory usage: 26 MB<br />09:41:48 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />