18:09:01 Create new PHPExcel object
18:09:01 Set properties
18:09:01 Add some data
18:09:01 Add comments
18:09:01 Add rich-text string
18:09:01 Merge cells
18:09:01 Protect cells
18:09:01 Set cell number formats
18:09:01 Set column widths
18:09:01 Set fonts
18:09:01 Set alignments
18:09:01 Set thin black border outline around column
18:09:01 Set thick brown border outline around Total
18:09:01 Set fills
18:09:01 Set style for header row using alternative method
18:09:01 Unprotect a cell
18:09:01 Add a hyperlink to the sheet
18:09:01 Add a drawing to the worksheet
18:09:01 Add a drawing to the worksheet
18:09:01 Add a drawing to the worksheet
18:09:01 Play around with inserting and removing rows and columns
18:09:01 Set header/footer
18:09:01 Set page orientation and size
18:09:01 Rename sheet
18:09:01 Create new Worksheet object
18:09:01 Add some data
18:09:01 Set the worksheet tab color
18:09:01 Set alignments
18:09:01 Set column widths
18:09:01 Set fonts
18:09:01 Add a drawing to the worksheet
18:09:01 Set page orientation and size
18:09:01 Rename sheet
18:09:01 Write to Excel2007 format
18:09:01 Peak memory usage: 4.5 MB
18:09:01 Done writing file.