13:24:03 Enable Cell Caching using MemoryGZip method<br />13:24:03 Create new PHPExcel object<br />13:24:03 Set properties<br />13:24:03 Add data<br />13:24:03 Hide 'Phone' and 'fax' columns<br />13:24:03 Set outline levels<br />13:24:03 Freeze panes<br />13:24:03 Rows to repeat at top<br />13:24:07 Write to Excel2007 format<br />13:24:12 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 5.4432 seconds<br />13:24:12 Current memory usage: 23.25 MB<br />13:24:12 Peak memory usage: 26.75 MB<br />13:24:12 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />