23:02:12 Create new PHPExcel object
23:02:12 Set document properties
23:02:12 Add some data
Notice: Trying to access array offset on value of type float in /var/www/r/PHPExcel-1.8/Classes/PHPExcel/Cell/DefaultValueBinder.php on line 82
23:02:12 Add comments
23:02:12 Add rich-text string
23:02:12 Merge cells
23:02:12 Protect cells
23:02:12 Set cell number formats
23:02:12 Set column widths
23:02:12 Set fonts
23:02:12 Set alignments
23:02:12 Set thin black border outline around column
23:02:12 Set thick brown border outline around Total
23:02:12 Set fills
23:02:12 Set style for header row using alternative method
23:02:12 Unprotect a cell
23:02:12 Add a hyperlink to an external website
23:02:12 Add a hyperlink to another cell on a different worksheet within the workbook
23:02:12 Add a drawing to the worksheet
23:02:12 Add a drawing to the worksheet
23:02:12 Add a drawing to the worksheet
23:02:12 Play around with inserting and removing rows and columns
23:02:12 Set header/footer
23:02:12 Set page orientation and size
23:02:12 Rename first worksheet
23:02:12 Create a second Worksheet object
23:02:12 Add some data
23:02:12 Set the worksheet tab color
23:02:12 Set alignments
23:02:12 Set column widths
23:02:12 Set fonts
23:02:12 Add a drawing to the worksheet
23:02:12 Set page orientation and size
23:02:12 Rename second worksheet
23:02:12 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/r/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/r/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5->buildWorkbookEscher()
#1 /var/www/r/PHPExcel-1.8/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save()
#2 {main}
thrown in /var/www/r/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel5.php on line 470