11:17:32 Enable Cell Caching using MemoryGZip method<br />11:17:32 Create new PHPExcel object<br />11:17:32 Set properties<br />11:17:32 Add data<br />11:17:32 Hide 'Phone' and 'fax' columns<br />11:17:32 Set outline levels<br />11:17:32 Freeze panes<br />11:17:32 Rows to repeat at top<br />11:17:33 Write to Excel2007 format<br />11:17:35 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7411 seconds<br />11:17:35 Current memory usage: 26 MB<br />11:17:35 Peak memory usage: 30 MB<br />11:17:35 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-4f/vendor/phpoffice/phpexcel/Examples<br />