22:19:37 Enable Cell Caching using MemoryGZip method<br />22:19:37 Create new PHPExcel object<br />22:19:37 Set properties<br />22:19:37 Add data<br />22:19:37 Hide 'Phone' and 'fax' columns<br />22:19:37 Set outline levels<br />22:19:37 Freeze panes<br />22:19:37 Rows to repeat at top<br />22:19:38 Write to Excel2007 format<br />22:19:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6643 seconds<br />22:19:40 Current memory usage: 27 MB<br />22:19:40 Peak memory usage: 30 MB<br />22:19:40 Done writing file<br />File has been created in /home/www/mavensolutions.net/metro_tax/vendor/phpoffice/phpexcel/Examples<br />