19:54:01 Enable Cell Caching using MemoryGZip method<br />19:54:01 Create new PHPExcel object<br />19:54:01 Set properties<br />19:54:01 Add data<br />19:54:01 Hide 'Phone' and 'fax' columns<br />19:54:01 Set outline levels<br />19:54:01 Freeze panes<br />19:54:01 Rows to repeat at top<br />19:54:02 Write to Excel2007 format<br />19:54:03 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3667 seconds<br />19:54:03 Current memory usage: 17.5 MB<br />19:54:03 Peak memory usage: 20.25 MB<br />19:54:03 Done writing file<br />File has been created in /home/factovizjh/opinion-way.pl/vendor/phpoffice/phpexcel/Examples<br />