23:08:39 Enable Cell Caching using MemoryGZip method<br />23:08:39 Create new PHPExcel object<br />23:08:39 Set properties<br />23:08:39 Add data<br />23:08:39 Hide 'Phone' and 'fax' columns<br />23:08:39 Set outline levels<br />23:08:39 Freeze panes<br />23:08:39 Rows to repeat at top<br />23:08:41 Write to Excel2007 format<br />23:08:46 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.1786 seconds<br />23:08:46 Current memory usage: 27.5 MB<br />23:08:46 Peak memory usage: 30.25 MB<br />23:08:46 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />