00:29:28 Enable Cell Caching using MemoryGZip method
00:29:28 Create new PHPExcel object
00:29:28 Set properties
00:29:28 Add data
00:29:28 Hide 'Phone' and 'fax' columns
00:29:28 Set outline levels
00:29:28 Freeze panes
00:29:28 Rows to repeat at top
00:29:29 Write to Excel2007 format
00:29:31 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.6908 seconds
00:29:31 Current memory usage: 23.75 MB
00:29:31 Peak memory usage: 26.75 MB
00:29:31 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples