12:17:45 Enable Cell Caching using MemoryGZip method<br />12:17:45 Create new PHPExcel object<br />12:17:45 Set properties<br />12:17:45 Add data<br />12:17:45 Hide 'Phone' and 'fax' columns<br />12:17:45 Set outline levels<br />12:17:45 Freeze panes<br />12:17:45 Rows to repeat at top<br />12:17:46 Write to Excel2007 format<br />12:17:48 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5961 seconds<br />12:17:48 Current memory usage: 17.25 MB<br />12:17:48 Peak memory usage: 20 MB<br />12:17:48 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />