12:43:20 Enable Cell Caching using MemoryGZip method<br />12:43:20 Create new PHPExcel object<br />12:43:20 Set properties<br />12:43:20 Add data<br />12:43:20 Hide 'Phone' and 'fax' columns<br />12:43:20 Set outline levels<br />12:43:20 Freeze panes<br />12:43:20 Rows to repeat at top<br />12:43:22 Write to Excel2007 format<br />12:43:24 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0481 seconds<br />12:43:24 Current memory usage: 19.25 MB<br />12:43:24 Peak memory usage: 22 MB<br />12:43:24 Done writing file<br />File has been created in D:\whospost\dv2\vendor\phpoffice\phpexcel\Examples<br />