15:23:09 Enable Cell Caching using MemoryGZip method<br />15:23:09 Create new PHPExcel object<br />15:23:09 Set properties<br />15:23:09 Add data<br />15:23:09 Hide 'Phone' and 'fax' columns<br />15:23:09 Set outline levels<br />15:23:09 Freeze panes<br />15:23:09 Rows to repeat at top<br />15:23:11 Write to Excel2007 format<br />15:23:13 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9471 seconds<br />15:23:13 Current memory usage: 27.75 MB<br />15:23:13 Peak memory usage: 30.5 MB<br />15:23:13 Done writing file<br />File has been created in /home/sgpsenviroil/public_html/vendor/phpoffice/phpexcel/Examples<br />