13:33:25 Enable Cell Caching using MemoryGZip method<br />13:33:25 Create new PHPExcel object<br />13:33:25 Set properties<br />13:33:25 Add data<br />13:33:25 Hide 'Phone' and 'fax' columns<br />13:33:25 Set outline levels<br />13:33:25 Freeze panes<br />13:33:25 Rows to repeat at top<br />13:33:25 Write to Excel2007 format<br />13:33:27 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4403 seconds<br />13:33:27 Current memory usage: 17.75 MB<br />13:33:27 Peak memory usage: 20.5 MB<br />13:33:27 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />