02:20:07 Enable Cell Caching using MemoryGZip method<br />02:20:07 Create new PHPExcel object<br />02:20:07 Set properties<br />02:20:07 Add data<br />02:20:07 Hide 'Phone' and 'fax' columns<br />02:20:07 Set outline levels<br />02:20:07 Freeze panes<br />02:20:07 Rows to repeat at top<br />02:20:08 Write to Excel2007 format<br />02:20:10 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7188 seconds<br />02:20:10 Current memory usage: 26 MB<br />02:20:10 Peak memory usage: 30 MB<br />02:20:10 Done writing file<br />File has been created in /home/rrhhutem/public_html/let-4f/vendor/phpoffice/phpexcel/Examples<br />