21:21:49 Enable Cell Caching using MemoryGZip method<br />21:21:49 Create new PHPExcel object<br />21:21:49 Set properties<br />21:21:49 Add data<br />21:21:49 Hide 'Phone' and 'fax' columns<br />21:21:49 Set outline levels<br />21:21:49 Freeze panes<br />21:21:49 Rows to repeat at top<br />21:21:50 Write to Excel2007 format<br />21:21:51 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4916 seconds<br />21:21:51 Current memory usage: 17.5 MB<br />21:21:51 Peak memory usage: 20.25 MB<br />21:21:51 Done writing file<br />File has been created in /home/factovizjh/podcast/vendor/phpoffice/phpexcel/Examples<br />