01:01:15 Enable Cell Caching using MemoryGZip method<br />01:01:15 Create new PHPExcel object<br />01:01:15 Set properties<br />01:01:15 Add data<br />01:01:15 Hide 'Phone' and 'fax' columns<br />01:01:15 Set outline levels<br />01:01:15 Freeze panes<br />01:01:15 Rows to repeat at top<br />01:01:16 Write to Excel2007 format<br />01:01:17 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3599 seconds<br />01:01:17 Current memory usage: 20 MB<br />01:01:17 Peak memory usage: 26 MB<br />01:01:17 Done writing file<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />