01:59:09 Enable Cell Caching using MemoryGZip method<br />01:59:09 Create new PHPExcel object<br />01:59:09 Set properties<br />01:59:09 Add data<br />01:59:09 Hide 'Phone' and 'fax' columns<br />01:59:09 Set outline levels<br />01:59:09 Freeze panes<br />01:59:09 Rows to repeat at top<br />01:59:10 Write to Excel2007 format<br />01:59:12 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9268 seconds<br />01:59:12 Current memory usage: 20 MB<br />01:59:12 Peak memory usage: 26 MB<br />01:59:12 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />