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