21:19:09 Enable Cell Caching using SQLite3 method
21:19:09 Create new PHPExcel object
21:19:09 Set properties
21:19:09 Add data
21:19:09 Hide 'Phone' and 'fax' columns
21:19:09 Set outline levels
21:19:09 Freeze panes
21:19:09 Rows to repeat at top
21:19:10 Write to Excel2007 format
21:19:13 File written to 06largescale-with-cellcaching-sqlite3.xlsx
Call time to write Workbook was 2.5802 seconds
21:19:13 Current memory usage: 20.25 MB
21:19:13 Peak memory usage: 23 MB
21:19:13 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples