10:24:42 Enable Cell Caching using MemoryGZip method<br />10:24:42 Create new PHPExcel object<br />10:24:42 Set properties<br />10:24:42 Add data<br />10:24:42 Hide 'Phone' and 'fax' columns<br />10:24:42 Set outline levels<br />10:24:42 Freeze panes<br />10:24:42 Rows to repeat at top<br />10:24:44 Write to Excel2007 format<br />10:24:46 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1070 seconds<br />10:24:46 Current memory usage: 27.5 MB<br />10:24:46 Peak memory usage: 31 MB<br />10:24:46 Done writing file<br />File has been created in /var/www/spstest/vendor/phpoffice/phpexcel/Examples<br />