21:37:33 Enable Cell Caching using MemoryGZip method<br />21:37:33 Create new PHPExcel object<br />21:37:33 Set properties<br />21:37:33 Add data<br />21:37:33 Hide 'Phone' and 'fax' columns<br />21:37:33 Set outline levels<br />21:37:33 Freeze panes<br />21:37:33 Rows to repeat at top<br />21:37:34 Write to Excel2007 format<br />21:37:35 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7146 seconds<br />21:37:35 Current memory usage: 27.25 MB<br />21:37:35 Peak memory usage: 30 MB<br />21:37:35 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-4e/vendor/phpoffice/phpexcel/Examples<br />