08:39:16 Enable Cell Caching using MemoryGZip method<br />08:39:16 Create new PHPExcel object<br />08:39:16 Set properties<br />08:39:16 Add data<br />08:39:16 Hide 'Phone' and 'fax' columns<br />08:39:16 Set outline levels<br />08:39:16 Freeze panes<br />08:39:16 Rows to repeat at top<br />08:39:16 Write to Excel2007 format<br />08:39:19 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2589 seconds<br />08:39:19 Current memory usage: 17.5 MB<br />08:39:19 Peak memory usage: 20.25 MB<br />08:39:19 Done writing file<br />File has been created in /home/factovizjh/opinion-way.pl/vendor/phpoffice/phpexcel/Examples<br />