16:19:48 Enable Cell Caching using MemoryGZip method<br />16:19:48 Create new PHPExcel object<br />16:19:48 Set properties<br />16:19:48 Add data<br />16:19:48 Hide 'Phone' and 'fax' columns<br />16:19:48 Set outline levels<br />16:19:48 Freeze panes<br />16:19:48 Rows to repeat at top<br />16:19:49 Write to Excel2007 format<br />16:19:50 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5561 seconds<br />16:19:50 Current memory usage: 18 MB<br />16:19:50 Peak memory usage: 20.75 MB<br />16:19:50 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />