09:20:32 Create new PHPExcel object
09:20:32 Set document properties
09:20:32 Add some data
09:20:32 Add comments
09:20:32 Add rich-text string
09:20:32 Merge cells
09:20:32 Protect cells
09:20:32 Set cell number formats
09:20:32 Set column widths
09:20:32 Set fonts
09:20:32 Set alignments
09:20:32 Set thin black border outline around column
09:20:32 Set thick brown border outline around Total
09:20:32 Set fills
09:20:32 Set style for header row using alternative method
09:20:32 Unprotect a cell
09:20:32 Add a hyperlink to an external website
09:20:32 Add a hyperlink to another cell on a different worksheet within the workbook
09:20:32 Add a drawing to the worksheet
09:20:32 Add a drawing to the worksheet
09:20:32 Add a drawing to the worksheet
09:20:32 Play around with inserting and removing rows and columns
09:20:32 Set header/footer
09:20:32 Set page orientation and size
09:20:32 Rename first worksheet
09:20:32 Create a second Worksheet object
09:20:32 Add some data
09:20:32 Set the worksheet tab color
09:20:32 Set alignments
09:20:32 Set column widths
09:20:32 Set fonts
09:20:32 Add a drawing to the worksheet
09:20:32 Set page orientation and size
09:20:32 Rename second worksheet
09:20:32 Write to HTML format
09:20:32 File written to 17html.htm
Call time to write Workbook was 0.2269 seconds
09:20:32 Current memory usage: 2.25 MB
09:20:32 Peak memory usage: 2.5 MB
09:20:32 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples