17:31:56 Enable Cell Caching using MemoryGZip method<br />17:31:56 Create new PHPExcel object<br />17:31:56 Set properties<br />17:31:56 Add data<br />17:31:56 Hide 'Phone' and 'fax' columns<br />17:31:56 Set outline levels<br />17:31:56 Freeze panes<br />17:31:56 Rows to repeat at top<br />17:31:57 Write to Excel2007 format<br />17:31:59 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7196 seconds<br />17:31:59 Current memory usage: 26 MB<br />17:31:59 Peak memory usage: 30 MB<br />17:31:59 Done writing file<br />File has been created in /home/rrhhutem/public_html/let-4e/vendor/phpoffice/phpexcel/Examples<br />