01:21:02 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />01:21:02 Create new PHPExcel object<br />01:21:02 Set properties<br />01:21:02 Add data<br />01:21:02 Hide 'Phone' and 'fax' columns<br />01:21:02 Set outline levels<br />01:21:02 Freeze panes<br />01:21:02 Rows to repeat at top<br />01:21:02 Write to Excel2007 format<br />01:21:03 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.5973 seconds<br />01:21:03 Current memory usage: 18 MB<br />01:21:03 Peak memory usage: 24 MB<br />01:21:03 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />