21:27:31 Create new PHPExcel object
21:27:31 Set document properties
21:27:31 Add some data

Notice: Trying to access array offset on value of type float in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Cell/DefaultValueBinder.php on line 82
21:27:31 Add comments
21:27:31 Add rich-text string
21:27:31 Merge cells
21:27:31 Protect cells
21:27:31 Set cell number formats
21:27:31 Set column widths
21:27:31 Set fonts
21:27:31 Set alignments
21:27:31 Set thin black border outline around column
21:27:31 Set thick brown border outline around Total
21:27:31 Set fills
21:27:31 Set style for header row using alternative method
21:27:31 Unprotect a cell
21:27:31 Add a hyperlink to an external website
21:27:31 Add a hyperlink to another cell on a different worksheet within the workbook
21:27:31 Add a drawing to the worksheet

Fatal error: Uncaught PHPExcel_Exception: File ./images/officelogo.jpg not found! in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing.php:111 Stack trace: #0 /var/www/html/vendor/phpoffice/phpexcel/Examples/05featuredemo.inc.php(287): PHPExcel_Worksheet_Drawing->setPath() #1 /var/www/html/vendor/phpoffice/phpexcel/Examples/17html.php(38): include('/var/www/html/v...') #2 {main} thrown in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/Drawing.php on line 111