14:19:36 Enable Cell Caching using MemoryGZip method
14:19:36 Create new PHPExcel object
14:19:36 Set properties
14:19:36 Add data
14:19:36 Hide 'Phone' and 'fax' columns
14:19:36 Set outline levels
14:19:36 Freeze panes
14:19:36 Rows to repeat at top
14:19:37 Write to Excel2007 format
14:19:39 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.1809 seconds
14:19:39 Current memory usage: 22 MB
14:19:39 Peak memory usage: 28 MB
14:19:39 Done writing file
File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples