09:02:00 Enable Cell Caching using MemoryGZip method<br />09:02:00 Create new PHPExcel object<br />09:02:00 Set properties<br />09:02:00 Add data<br />09:02:00 Hide 'Phone' and 'fax' columns<br />09:02:00 Set outline levels<br />09:02:00 Freeze panes<br />09:02:00 Rows to repeat at top<br />09:02:01 Write to Excel2007 format<br />09:02:03 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6286 seconds<br />09:02:03 Current memory usage: 23.5 MB<br />09:02:03 Peak memory usage: 26.5 MB<br />09:02:03 Done writing file<br />File has been created in /var/www/html/PHPExcel-1.8/Examples<br />