00:11:51 Enable Cell Caching using SQLite3 method<br />00:11:51 Create new PHPExcel object<br />00:11:51 Set properties<br />00:11:51 Add data<br />00:11:51 Hide 'Phone' and 'fax' columns<br />00:11:51 Set outline levels<br />00:11:51 Freeze panes<br />00:11:51 Rows to repeat at top<br />00:11:51 Write to Excel2007 format<br />00:11:52 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.9118 seconds<br />00:11:52 Current memory usage: 14 MB<br />00:11:52 Peak memory usage: 20 MB<br />00:11:52 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />