23:07:20 Create new PHPExcel object
23:07:20 Set properties
23:07:20 Add some data
23:07:20 Add comments
23:07:20 Add rich-text string
23:07:20 Merge cells
23:07:20 Protect cells
23:07:20 Set cell number formats
23:07:20 Set column widths
23:07:20 Set fonts
23:07:20 Set alignments
23:07:20 Set thin black border outline around column
23:07:20 Set thick brown border outline around Total
23:07:20 Set fills
23:07:20 Set style for header row using alternative method
23:07:20 Unprotect a cell
23:07:20 Add a hyperlink to the sheet
23:07:20 Add a drawing to the worksheet
23:07:20 Add a drawing to the worksheet
23:07:20 Add a drawing to the worksheet
23:07:20 Play around with inserting and removing rows and columns
23:07:20 Set header/footer
23:07:20 Set page orientation and size
23:07:20 Rename sheet
23:07:20 Create new Worksheet object
23:07:20 Add some data
23:07:20 Set the worksheet tab color
23:07:20 Set alignments
23:07:20 Set column widths
23:07:20 Set fonts
23:07:20 Add a drawing to the worksheet
23:07:20 Set page orientation and size
23:07:20 Rename sheet
23:07:20 Write to Excel2007 format
23:07:21 Peak memory usage: 10 MB
23:07:21 Done writing file.