18:38:10 Enable Cell Caching using MemoryGZip method<br />18:38:10 Create new PHPExcel object<br />18:38:10 Set properties<br />18:38:10 Add data<br />18:38:10 Hide 'Phone' and 'fax' columns<br />18:38:10 Set outline levels<br />18:38:10 Freeze panes<br />18:38:10 Rows to repeat at top<br />18:38:10 Write to Excel2007 format<br />18:38:12 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5200 seconds<br />18:38:12 Current memory usage: 18 MB<br />18:38:12 Peak memory usage: 20.75 MB<br />18:38:12 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />