11:18:19 Create new PHPExcel object
11:18:19 Set document properties
11:18:19 Add some data
11:18:19 Add comments
11:18:19 Add rich-text string
11:18:19 Merge cells
11:18:19 Protect cells
11:18:19 Set cell number formats
11:18:19 Set column widths
11:18:19 Set fonts
11:18:19 Set alignments
11:18:19 Set thin black border outline around column
11:18:19 Set thick brown border outline around Total
11:18:19 Set fills
11:18:19 Set style for header row using alternative method
11:18:19 Unprotect a cell
11:18:19 Add a hyperlink to an external website
11:18:19 Add a hyperlink to another cell on a different worksheet within the workbook
11:18:19 Add a drawing to the worksheet
11:18:19 Add a drawing to the worksheet
11:18:19 Add a drawing to the worksheet
11:18:19 Play around with inserting and removing rows and columns
11:18:19 Set header/footer
11:18:19 Set page orientation and size
11:18:19 Rename first worksheet
11:18:19 Create a second Worksheet object
11:18:19 Add some data
11:18:19 Set the worksheet tab color
11:18:19 Set alignments
11:18:19 Set column widths
11:18:19 Set fonts
11:18:19 Add a drawing to the worksheet
11:18:19 Set page orientation and size
11:18:19 Rename second worksheet
11:18:19 Write to HTML format
11:18:19 File written to 17html.htm
Call time to write Workbook was 0.0227 seconds
11:18:19 Current memory usage: 2.25 MB
11:18:19 Peak memory usage: 2.5 MB
11:18:19 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples