12:49:23 Enable Cell Caching using MemoryGZip method<br />12:49:23 Create new PHPExcel object<br />12:49:23 Set properties<br />12:49:23 Add data<br />12:49:23 Hide 'Phone' and 'fax' columns<br />12:49:23 Set outline levels<br />12:49:23 Freeze panes<br />12:49:23 Rows to repeat at top<br />12:49:25 Write to Excel2007 format<br />12:49:28 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.9871 seconds<br />12:49:28 Current memory usage: 19.25 MB<br />12:49:28 Peak memory usage: 22 MB<br />12:49:28 Done writing file<br />File has been created in C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Examples<br />