10:44:22 Enable Cell Caching using MemoryGZip method
10:44:22 Create new PHPExcel object
10:44:22 Set properties
10:44:22 Add data
10:44:22 Hide 'Phone' and 'fax' columns
10:44:22 Set outline levels
10:44:22 Freeze panes
10:44:22 Rows to repeat at top
10:44:22 Write to Excel2007 format
10:44:24 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.6990 seconds
10:44:24 Current memory usage: 23.5 MB
10:44:24 Peak memory usage: 26.75 MB
10:44:24 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples