18:22:44 Enable Cell Caching using MemoryGZip method<br />18:22:44 Create new PHPExcel object<br />18:22:44 Set properties<br />18:22:44 Add data<br />18:22:44 Hide 'Phone' and 'fax' columns<br />18:22:44 Set outline levels<br />18:22:44 Freeze panes<br />18:22:44 Rows to repeat at top<br />18:22:44 Write to Excel2007 format<br />18:22:45 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.9101 seconds<br />18:22:45 Current memory usage: 23.25 MB<br />18:22:45 Peak memory usage: 26.75 MB<br />18:22:45 Done writing file<br />File has been created in /var/www/wu1n/vendor/phpoffice/phpexcel/Examples<br />