00:58:30 Enable Cell Caching using MemoryGZip method<br />00:58:30 Create new PHPExcel object<br />00:58:30 Set properties<br />00:58:30 Add data<br />00:58:30 Hide 'Phone' and 'fax' columns<br />00:58:30 Set outline levels<br />00:58:30 Freeze panes<br />00:58:30 Rows to repeat at top<br />00:58:30 Write to Excel2007 format<br />00:58:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6976 seconds<br />00:58:32 Current memory usage: 23.5 MB<br />00:58:32 Peak memory usage: 26.75 MB<br />00:58:32 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />