19:04:08 Enable Cell Caching using MemoryGZip method<br />19:04:08 Create new PHPExcel object<br />19:04:09 Set properties<br />19:04:09 Add data<br />19:04:09 Hide 'Phone' and 'fax' columns<br />19:04:09 Set outline levels<br />19:04:09 Freeze panes<br />19:04:09 Rows to repeat at top<br />19:04:10 Write to Excel2007 format<br />19:04:12 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.5581 seconds<br />19:04:12 Current memory usage: 22 MB<br />19:04:12 Peak memory usage: 26 MB<br />19:04:12 Done writing file<br />File has been created in /home/htdocs/zhyl/vendor/PHPExcel/Examples<br />