10:47:54 Enable Cell Caching using MemoryGZip method<br />10:47:54 Create new PHPExcel object<br />10:47:54 Set properties<br />10:47:54 Add data<br />10:47:54 Hide 'Phone' and 'fax' columns<br />10:47:54 Set outline levels<br />10:47:54 Freeze panes<br />10:47:54 Rows to repeat at top<br />10:47:55 Write to Excel2007 format<br />10:47:58 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.8642 seconds<br />10:47:58 Current memory usage: 26.75 MB<br />10:47:58 Peak memory usage: 30 MB<br />10:47:58 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />