09:07:03 Enable Cell Caching using MemoryGZip method<br />09:07:03 Create new PHPExcel object<br />09:07:03 Set properties<br />09:07:03 Add data<br />09:07:03 Hide 'Phone' and 'fax' columns<br />09:07:03 Set outline levels<br />09:07:03 Freeze panes<br />09:07:03 Rows to repeat at top<br />09:07:04 Write to Excel2007 format<br />09:07:06 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0064 seconds<br />09:07:06 Current memory usage: 24 MB<br />09:07:06 Peak memory usage: 28 MB<br />09:07:06 Done writing file<br />File has been created in G:\myserver\www\inv\PHPExcel-1.8\Examples<br />