02:10:55 Enable Cell Caching using MemoryGZip method
02:10:55 Create new PHPExcel object
02:10:55 Set properties
02:10:55 Add data
02:10:55 Hide 'Phone' and 'fax' columns
02:10:55 Set outline levels
02:10:55 Freeze panes
02:10:55 Rows to repeat at top
02:10:56 Write to Excel2007 format
02:10:58 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.7223 seconds
02:10:58 Current memory usage: 23.5 MB
02:10:58 Peak memory usage: 26.75 MB
02:10:58 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples