23:10:12 Enable Cell Caching using MemoryGZip method
23:10:12 Create new PHPExcel object
23:10:12 Set properties
23:10:12 Add data
23:10:12 Hide 'Phone' and 'fax' columns
23:10:12 Set outline levels
23:10:12 Freeze panes
23:10:12 Rows to repeat at top
23:10:13 Write to Excel2007 format
23:10:15 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.2424 seconds
23:10:15 Current memory usage: 4 MB
23:10:15 Peak memory usage: 4 MB
23:10:15 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples