14:53:31 Enable Cell Caching using MemoryGZip method<br />14:53:31 Create new PHPExcel object<br />14:53:31 Set properties<br />14:53:31 Add data<br />14:53:31 Hide 'Phone' and 'fax' columns<br />14:53:31 Set outline levels<br />14:53:31 Freeze panes<br />14:53:31 Rows to repeat at top<br />14:53:32 Write to Excel2007 format<br />14:53:34 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2944 seconds<br />14:53:34 Current memory usage: 28.25 MB<br />14:53:34 Peak memory usage: 31 MB<br />14:53:34 Done writing file<br />File has been created in /var/www/kd/vendor/phpoffice/phpexcel/Examples<br />