20:23:23 Enable Cell Caching using SQLite3 method<br />20:23:23 Create new PHPExcel object<br />20:23:23 Set properties<br />20:23:23 Add data<br />20:23:23 Hide 'Phone' and 'fax' columns<br />20:23:23 Set outline levels<br />20:23:23 Freeze panes<br />20:23:23 Rows to repeat at top<br />20:23:23 Write to Excel2007 format<br />20:23:24 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.8639 seconds<br />20:23:24 Current memory usage: 14 MB<br />20:23:24 Peak memory usage: 18 MB<br />20:23:24 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />