18:05:17 Enable Cell Caching using MemoryGZip method<br />18:05:17 Create new PHPExcel object<br />18:05:17 Set properties<br />18:05:17 Add data<br />18:05:17 Hide 'Phone' and 'fax' columns<br />18:05:17 Set outline levels<br />18:05:17 Freeze panes<br />18:05:17 Rows to repeat at top<br />18:05:17 Write to Excel2007 format<br />18:05:19 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4857 seconds<br />18:05:19 Current memory usage: 27.75 MB<br />18:05:19 Peak memory usage: 30.75 MB<br />18:05:19 Done writing file<br />File has been created in /var/www/dolphinJuly25/dolphin/vendor/phpoffice/phpexcel/Examples<br />