18:28:47 Create new PHPExcel object
18:28:47 Set document properties
18:28:47 Add some data
18:28:47 Add comments
18:28:47 Add rich-text string
18:28:47 Merge cells
18:28:47 Protect cells
18:28:47 Set cell number formats
18:28:47 Set column widths
18:28:47 Set fonts
18:28:47 Set alignments
18:28:47 Set thin black border outline around column
18:28:47 Set thick brown border outline around Total
18:28:47 Set fills
18:28:47 Set style for header row using alternative method
18:28:47 Unprotect a cell
18:28:47 Add a hyperlink to an external website
18:28:47 Add a hyperlink to another cell on a different worksheet within the workbook
18:28:47 Add a drawing to the worksheet
18:28:47 Add a drawing to the worksheet
18:28:47 Add a drawing to the worksheet
18:28:47 Play around with inserting and removing rows and columns
18:28:47 Set header/footer
18:28:47 Set page orientation and size
18:28:47 Rename first worksheet
18:28:47 Create a second Worksheet object
18:28:47 Add some data
18:28:47 Set the worksheet tab color
18:28:47 Set alignments
18:28:47 Set column widths
18:28:47 Set fonts
18:28:47 Add a drawing to the worksheet
18:28:47 Set page orientation and size
18:28:47 Rename second worksheet
18:28:47 Write to HTML format
18:28:47 File written to 17html.htm
Call time to write Workbook was 0.0221 seconds
18:28:47 Current memory usage: 2.25 MB
18:28:47 Peak memory usage: 2.5 MB
18:28:47 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples