14:24:41 Enable Cell Caching using MemoryGZip method
14:24:41 Create new PHPExcel object
14:24:41 Set properties
14:24:41 Add data
14:24:41 Hide 'Phone' and 'fax' columns
14:24:41 Set outline levels
14:24:41 Freeze panes
14:24:41 Rows to repeat at top
14:24:42 Write to Excel2007 format
14:24:43 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.7021 seconds
14:24:43 Current memory usage: 23.5 MB
14:24:43 Peak memory usage: 26.75 MB
14:24:43 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples