15:27:24 Enable Cell Caching using MemoryGZip method<br />15:27:24 Create new PHPExcel object<br />15:27:24 Set properties<br />15:27:24 Add data<br />15:27:24 Hide 'Phone' and 'fax' columns<br />15:27:24 Set outline levels<br />15:27:24 Freeze panes<br />15:27:24 Rows to repeat at top<br />15:27:25 Write to Excel2007 format<br />15:27:26 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5690 seconds<br />15:27:26 Current memory usage: 17.75 MB<br />15:27:26 Peak memory usage: 20.5 MB<br />15:27:26 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />