14:15:03 Enable Cell Caching using MemoryGZip method<br />14:15:03 Create new PHPExcel object<br />14:15:03 Set properties<br />14:15:03 Add data<br />14:15:03 Hide 'Phone' and 'fax' columns<br />14:15:03 Set outline levels<br />14:15:03 Freeze panes<br />14:15:03 Rows to repeat at top<br />14:15:04 Write to Excel2007 format<br />14:15:05 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4783 seconds<br />14:15:05 Current memory usage: 28 MB<br />14:15:05 Peak memory usage: 31 MB<br />14:15:05 Done writing file<br />File has been created in /var/www/local/vendor/phpoffice/phpexcel/Examples<br />