08:49:01 Enable Cell Caching using SQLite3 method<br />08:49:01 Create new PHPExcel object<br />08:49:01 Set properties<br />08:49:01 Add data<br />08:49:01 Hide 'Phone' and 'fax' columns<br />08:49:01 Set outline levels<br />08:49:01 Freeze panes<br />08:49:01 Rows to repeat at top<br />08:49:02 Write to Excel2007 format<br />08:49:04 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 2.1397 seconds<br />08:49:04 Current memory usage: 17 MB<br />08:49:04 Peak memory usage: 19.75 MB<br />08:49:04 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />