16:49:37 Enable Cell Caching using SQLite3 method<br />16:49:37 Create new PHPExcel object<br />16:49:37 Set properties<br />16:49:37 Add data<br />16:49:37 Hide 'Phone' and 'fax' columns<br />16:49:37 Set outline levels<br />16:49:37 Freeze panes<br />16:49:37 Rows to repeat at top<br />16:49:37 Write to Excel2007 format<br />16:49:38 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 1.3483 seconds<br />16:49:38 Current memory usage: 18 MB<br />16:49:38 Peak memory usage: 22 MB<br />16:49:38 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />