11:50:43 Create new PHPExcel object
11:50:43 Set document properties
11:50:43 Add some data
11:50:43 Add comments
11:50:43 Add rich-text string
11:50:43 Merge cells
11:50:43 Protect cells
11:50:43 Set cell number formats
11:50:43 Set column widths
11:50:43 Set fonts
11:50:43 Set alignments
11:50:43 Set thin black border outline around column
11:50:43 Set thick brown border outline around Total
11:50:43 Set fills
11:50:43 Set style for header row using alternative method
11:50:43 Unprotect a cell
11:50:43 Add a hyperlink to an external website
11:50:43 Add a hyperlink to another cell on a different worksheet within the workbook
11:50:43 Add a drawing to the worksheet
11:50:43 Add a drawing to the worksheet
11:50:43 Add a drawing to the worksheet
11:50:43 Play around with inserting and removing rows and columns
11:50:43 Set header/footer
11:50:43 Set page orientation and size
11:50:43 Rename first worksheet
11:50:43 Create a second Worksheet object
11:50:43 Add some data
11:50:43 Set the worksheet tab color
11:50:43 Set alignments
11:50:43 Set column widths
11:50:43 Set fonts
11:50:43 Add a drawing to the worksheet
11:50:43 Set page orientation and size
11:50:43 Rename second worksheet
11:50:43 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/erp/PHPExcel-1.8-/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/erp/PHPExcel-1.8-/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5->buildWorkbookEscher()
#1 /var/www/erp/PHPExcel-1.8-/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save('/var/www/erp/PH...')
#2 {main}
thrown in /var/www/erp/PHPExcel-1.8-/Classes/PHPExcel/Writer/Excel5.php on line 470