12:36:46 Create new PHPExcel object
12:36:46 Set document properties
12:36:46 Add some data
12:36:46 Add comments
12:36:46 Add rich-text string
12:36:46 Merge cells
12:36:46 Protect cells
12:36:46 Set cell number formats
12:36:46 Set column widths
12:36:46 Set fonts
12:36:46 Set alignments
12:36:46 Set thin black border outline around column
12:36:46 Set thick brown border outline around Total
12:36:46 Set fills
12:36:46 Set style for header row using alternative method
12:36:46 Unprotect a cell
12:36:46 Add a hyperlink to an external website
12:36:46 Add a hyperlink to another cell on a different worksheet within the workbook
12:36:46 Add a drawing to the worksheet
12:36:46 Add a drawing to the worksheet
12:36:46 Add a drawing to the worksheet
12:36:46 Play around with inserting and removing rows and columns
12:36:46 Set header/footer
12:36:46 Set page orientation and size
12:36:46 Rename first worksheet
12:36:46 Create a second Worksheet object
12:36:46 Add some data
12:36:46 Set the worksheet tab color
12:36:46 Set alignments
12:36:46 Set column widths
12:36:46 Set fonts
12:36:46 Add a drawing to the worksheet
12:36:46 Set page orientation and size
12:36:46 Rename second worksheet
12:36:46 Write to Excel5 format
12:36:46 File written to 14excel5.xls
Call time to write Workbook was 0.2032 seconds
12:36:46 Current memory usage: 2.75 MB
12:36:46 Peak memory usage: 2.75 MB
12:36:46 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples