23:19:21 Enable Cell Caching using MemoryGZip method<br />23:19:21 Create new PHPExcel object<br />23:19:21 Set properties<br />23:19:21 Add data<br />23:19:21 Hide 'Phone' and 'fax' columns<br />23:19:21 Set outline levels<br />23:19:21 Freeze panes<br />23:19:21 Rows to repeat at top<br />23:19:23 Write to Excel2007 format<br />23:19:27 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.0086 seconds<br />23:19:27 Current memory usage: 25.75 MB<br />23:19:27 Peak memory usage: 29 MB<br />23:19:27 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />