02:16:08 Enable Cell Caching using MemoryGZip method<br />02:16:08 Create new PHPExcel object<br />02:16:08 Set properties<br />02:16:08 Add data<br />02:16:08 Hide 'Phone' and 'fax' columns<br />02:16:08 Set outline levels<br />02:16:08 Freeze panes<br />02:16:08 Rows to repeat at top<br />02:16:09 Write to Excel2007 format<br />02:16:13 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.1751 seconds<br />02:16:13 Current memory usage: 27.75 MB<br />02:16:13 Peak memory usage: 30.75 MB<br />02:16:13 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />