16:51:51 Enable Cell Caching using MemoryGZip method
16:51:51 Create new PHPExcel object
16:51:51 Set properties
16:51:51 Add data
16:51:51 Hide 'Phone' and 'fax' columns
16:51:51 Set outline levels
16:51:51 Freeze panes
16:51:51 Rows to repeat at top
16:51:52 Write to Excel2007 format
16:51:55 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.5752 seconds
16:51:55 Current memory usage: 20 MB
16:51:55 Peak memory usage: 24 MB
16:51:55 Done writing file
File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples