11:30:46 Enable Cell Caching using MemoryGZip method
11:30:46 Create new PHPExcel object
11:30:46 Set properties
11:30:46 Add data
11:30:46 Hide 'Phone' and 'fax' columns
11:30:46 Set outline levels
11:30:46 Freeze panes
11:30:46 Rows to repeat at top
11:30:47 Write to Excel2007 format
11:30:49 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2770 seconds
11:30:49 Current memory usage: 20 MB
11:30:49 Peak memory usage: 26 MB
11:30:49 Done writing file
File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples