18:59:32 Enable Cell Caching using SQLite3 method<br />18:59:32 Create new PHPExcel object<br />18:59:32 Set properties<br />18:59:32 Add data<br />18:59:32 Hide 'Phone' and 'fax' columns<br />18:59:32 Set outline levels<br />18:59:32 Freeze panes<br />18:59:32 Rows to repeat at top<br />18:59:33 Write to Excel2007 format<br />18:59:38 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 5.3238 seconds<br />18:59:38 Current memory usage: 21 MB<br />18:59:38 Peak memory usage: 23.75 MB<br />18:59:38 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />