07:52:29 Enable Cell Caching using MemoryGZip method<br />07:52:29 Create new PHPExcel object<br />07:52:29 Set properties<br />07:52:29 Add data<br />07:52:29 Hide 'Phone' and 'fax' columns<br />07:52:29 Set outline levels<br />07:52:29 Freeze panes<br />07:52:29 Rows to repeat at top<br />07:52:30 Write to Excel2007 format<br />07:52:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7556 seconds<br />07:52:32 Current memory usage: 20 MB<br />07:52:32 Peak memory usage: 24 MB<br />07:52:32 Done writing file<br />File has been created in /var/www/mp/vendor/phpoffice/phpexcel/Examples<br />