19:12:51 Enable Cell Caching using MemoryGZip method<br />19:12:51 Create new PHPExcel object<br />19:12:51 Set properties<br />19:12:51 Add data<br />19:12:51 Hide 'Phone' and 'fax' columns<br />19:12:51 Set outline levels<br />19:12:51 Freeze panes<br />19:12:51 Rows to repeat at top<br />19:12:56 Write to Excel2007 format<br />19:13:00 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8228 seconds<br />19:13:00 Current memory usage: 24 MB<br />19:13:00 Peak memory usage: 28 MB<br />19:13:00 Done writing file<br />File has been created in /var/www/mp/vendor/phpoffice/phpexcel/Examples<br />