02:34:59 Enable Cell Caching using SQLite3 method<br />02:34:59 Create new PHPExcel object<br />02:34:59 Set properties<br />02:34:59 Add data<br />02:34:59 Hide 'Phone' and 'fax' columns<br />02:34:59 Set outline levels<br />02:34:59 Freeze panes<br />02:34:59 Rows to repeat at top<br />02:34:59 Write to Excel2007 format<br />02:35:00 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.8162 seconds<br />02:35:00 Current memory usage: 14 MB<br />02:35:00 Peak memory usage: 20 MB<br />02:35:00 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />