23:10:12 Enable Cell Caching using MemoryGZip method<br />23:10:12 Create new PHPExcel object<br />23:10:12 Set properties<br />23:10:12 Add data<br />23:10:12 Hide 'Phone' and 'fax' columns<br />23:10:12 Set outline levels<br />23:10:12 Freeze panes<br />23:10:12 Rows to repeat at top<br />23:10:13 Write to Excel2007 format<br />23:10:15 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2424 seconds<br />23:10:15 Current memory usage: 4 MB<br />23:10:15 Peak memory usage: 4 MB<br />23:10:15 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />