02:43:24 Enable Cell Caching using MemoryGZip method
02:43:24 Create new PHPExcel object
02:43:24 Set properties
02:43:24 Add data
02:43:24 Hide 'Phone' and 'fax' columns
02:43:24 Set outline levels
02:43:24 Freeze panes
02:43:24 Rows to repeat at top
02:43:25 Write to Excel2007 format
02:43:27 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.7008 seconds
02:43:27 Current memory usage: 23.75 MB
02:43:27 Peak memory usage: 26.75 MB
02:43:27 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples