10:06:52 Create new PHPExcel object
10:06:52 Set document properties
10:06:52 Add some data
10:06:52 Add comments
10:06:52 Add rich-text string
10:06:52 Merge cells
10:06:52 Protect cells
10:06:52 Set cell number formats
10:06:52 Set column widths
10:06:52 Set fonts
10:06:52 Set alignments
10:06:52 Set thin black border outline around column
10:06:52 Set thick brown border outline around Total
10:06:52 Set fills
10:06:52 Set style for header row using alternative method
10:06:52 Unprotect a cell
10:06:52 Add a hyperlink to an external website
10:06:52 Add a hyperlink to another cell on a different worksheet within the workbook
10:06:52 Add a drawing to the worksheet
10:06:52 Add a drawing to the worksheet
10:06:52 Add a drawing to the worksheet
10:06:52 Play around with inserting and removing rows and columns
10:06:52 Set header/footer
10:06:52 Set page orientation and size
10:06:52 Rename first worksheet
10:06:52 Create a second Worksheet object
10:06:52 Add some data
10:06:52 Set the worksheet tab color
10:06:52 Set alignments
10:06:52 Set column widths
10:06:52 Set fonts
10:06:52 Add a drawing to the worksheet
10:06:52 Set page orientation and size
10:06:52 Rename second worksheet
10:06:52 Write to HTML format
10:06:52 File written to 17html.htm
Call time to write Workbook was 0.0211 seconds
10:06:52 Current memory usage: 2.25 MB
10:06:52 Peak memory usage: 2.5 MB
10:06:52 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples