13:09:49 Enable Cell Caching using MemoryGZip method<br />13:09:49 Create new PHPExcel object<br />13:09:49 Set properties<br />13:09:49 Add data<br />13:09:49 Hide 'Phone' and 'fax' columns<br />13:09:49 Set outline levels<br />13:09:49 Freeze panes<br />13:09:49 Rows to repeat at top<br />13:09:49 Write to Excel2007 format<br />13:09:51 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5532 seconds<br />13:09:51 Current memory usage: 28 MB<br />13:09:51 Peak memory usage: 31 MB<br />13:09:51 Done writing file<br />File has been created in /var/www/local/vendor/phpoffice/phpexcel/Examples<br />