11:53:25 Enable Cell Caching using MemoryGZip method<br />11:53:25 Create new PHPExcel object<br />11:53:25 Set properties<br />11:53:25 Add data<br />11:53:25 Hide 'Phone' and 'fax' columns<br />11:53:25 Set outline levels<br />11:53:25 Freeze panes<br />11:53:25 Rows to repeat at top<br />11:53:28 Write to Excel2007 format<br />11:53:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.7315 seconds<br />11:53:31 Current memory usage: 23.5 MB<br />11:53:31 Peak memory usage: 26.75 MB<br />11:53:31 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />