15:51:21 Enable Cell Caching using MemoryGZip method
15:51:21 Create new PHPExcel object
15:51:21 Set properties
15:51:21 Add data
15:51:21 Hide 'Phone' and 'fax' columns
15:51:21 Set outline levels
15:51:21 Freeze panes
15:51:21 Rows to repeat at top
15:51:21 Write to Excel2007 format
15:51:23 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 1.1941 seconds
15:51:23 Current memory usage: 20 MB
15:51:23 Peak memory usage: 26 MB
15:51:23 Done writing file
File has been created in /home/theshantinik/public_html/vendor/phpoffice/phpexcel/Examples