12:07:35 Enable Cell Caching using MemoryGZip method<br />12:07:35 Create new PHPExcel object<br />12:07:35 Set properties<br />12:07:35 Add data<br />12:07:35 Hide 'Phone' and 'fax' columns<br />12:07:35 Set outline levels<br />12:07:35 Freeze panes<br />12:07:35 Rows to repeat at top<br />12:07:36 Write to Excel2007 format<br />12:07:38 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7308 seconds<br />12:07:38 Current memory usage: 26.25 MB<br />12:07:38 Peak memory usage: 29.25 MB<br />12:07:38 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />