16:15:35 Enable Cell Caching using SQLite3 method<br />16:15:35 Create new PHPExcel object<br />16:15:35 Set properties<br />16:15:35 Add data<br />16:15:35 Hide 'Phone' and 'fax' columns<br />16:15:35 Set outline levels<br />16:15:35 Freeze panes<br />16:15:35 Rows to repeat at top<br />16:15:36 Write to Excel2007 format<br />16:15:37 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.8350 seconds<br />16:15:37 Current memory usage: 14 MB<br />16:15:37 Peak memory usage: 20 MB<br />16:15:37 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />