10:17:38 Enable Cell Caching using MemoryGZip method<br />10:17:38 Create new PHPExcel object<br />10:17:38 Set properties<br />10:17:38 Add data<br />10:17:38 Hide 'Phone' and 'fax' columns<br />10:17:38 Set outline levels<br />10:17:38 Freeze panes<br />10:17:38 Rows to repeat at top<br />10:17:39 Write to Excel2007 format<br />10:17:42 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2989 seconds<br />10:17:42 Current memory usage: 24 MB<br />10:17:42 Peak memory usage: 28 MB<br />10:17:42 Done writing file<br />File has been created in /home/linkto/public_html/vendor/phpoffice/phpexcel/Examples<br />