21:09:52 Enable Cell Caching using MemoryGZip method
21:09:52 Create new PHPExcel object
21:09:52 Set properties
21:09:52 Add data
21:09:52 Hide 'Phone' and 'fax' columns
21:09:52 Set outline levels
21:09:52 Freeze panes
21:09:52 Rows to repeat at top
21:09:54 Write to Excel2007 format
21:09:56 File written to 06largescale-with-cellcaching.xlsx
Call time to write Workbook was 2.1163 seconds
21:09:56 Current memory usage: 27 MB
21:09:56 Peak memory usage: 29.75 MB
21:09:56 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples