15:20:08 Enable Cell Caching using MemoryGZip method<br />15:20:08 Create new PHPExcel object<br />15:20:08 Set properties<br />15:20:08 Add data<br />15:20:08 Hide 'Phone' and 'fax' columns<br />15:20:08 Set outline levels<br />15:20:08 Freeze panes<br />15:20:08 Rows to repeat at top<br />15:20:09 Write to Excel2007 format<br />15:20:11 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7303 seconds<br />15:20:11 Current memory usage: 26 MB<br />15:20:11 Peak memory usage: 30 MB<br />15:20:11 Done writing file<br />File has been created in /home/rrhhutem/public_html/master/vendor/phpoffice/phpexcel/Examples<br />