17:29:19 Enable Cell Caching using SQLite3 method<br />17:29:19 Create new PHPExcel object<br />17:29:19 Set properties<br />17:29:19 Add data<br />17:29:19 Hide 'Phone' and 'fax' columns<br />17:29:19 Set outline levels<br />17:29:19 Freeze panes<br />17:29:19 Rows to repeat at top<br />17:29:19 Write to Excel2007 format<br />17:29:22 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 2.1733 seconds<br />17:29:22 Current memory usage: 21.5 MB<br />17:29:22 Peak memory usage: 24.25 MB<br />17:29:22 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />