12:56:57 Enable Cell Caching using MemoryGZip method<br />12:56:57 Create new PHPExcel object<br />12:56:57 Set properties<br />12:56:57 Add data<br />12:56:57 Hide 'Phone' and 'fax' columns<br />12:56:57 Set outline levels<br />12:56:57 Freeze panes<br />12:56:57 Rows to repeat at top<br />12:56:59 Write to Excel2007 format<br />12:57:01 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0436 seconds<br />12:57:01 Current memory usage: 19.25 MB<br />12:57:01 Peak memory usage: 22 MB<br />12:57:01 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />