03:53:02 Enable Cell Caching using MemoryGZip method
03:53:02 Create new PHPExcel object
03:53:02 Set properties
03:53:02 Add data
03:53:02 Hide 'Phone' and 'fax' columns
03:53:02 Set outline levels
03:53:02 Freeze panes
03:53:02 Rows to repeat at top
03:53:03 Write to Excel2007 format
03:53:05 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.6896 seconds
03:53:05 Current memory usage: 23.75 MB
03:53:05 Peak memory usage: 26.75 MB
03:53:05 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples