19:27:57 Enable Cell Caching using MemoryGZip method<br />19:27:57 Create new PHPExcel object<br />19:27:57 Set properties<br />19:27:57 Add data<br />19:27:57 Hide 'Phone' and 'fax' columns<br />19:27:57 Set outline levels<br />19:27:57 Freeze panes<br />19:27:57 Rows to repeat at top<br />19:27:58 Write to Excel2007 format<br />19:27:59 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4709 seconds<br />19:27:59 Current memory usage: 18 MB<br />19:27:59 Peak memory usage: 20.75 MB<br />19:27:59 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />