21:41:30 Enable Cell Caching using MemoryGZip method<br />21:41:30 Create new PHPExcel object<br />21:41:30 Set properties<br />21:41:30 Add data<br />21:41:30 Hide 'Phone' and 'fax' columns<br />21:41:30 Set outline levels<br />21:41:30 Freeze panes<br />21:41:30 Rows to repeat at top<br />21:41:31 Write to Excel2007 format<br />21:41:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9483 seconds<br />21:41:32 Current memory usage: 18 MB<br />21:41:32 Peak memory usage: 20.75 MB<br />21:41:32 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />