20:44:29 Create new PHPExcel object
20:44:29 Set document properties
20:44:29 Add some data
20:44:29 Add comments
20:44:29 Add rich-text string
20:44:29 Merge cells
20:44:29 Protect cells
20:44:29 Set cell number formats
20:44:29 Set column widths
20:44:29 Set fonts
20:44:29 Set alignments
20:44:29 Set thin black border outline around column
20:44:29 Set thick brown border outline around Total
20:44:29 Set fills
20:44:29 Set style for header row using alternative method
20:44:29 Unprotect a cell
20:44:29 Add a hyperlink to an external website
20:44:29 Add a hyperlink to another cell on a different worksheet within the workbook
20:44:29 Add a drawing to the worksheet
20:44:29 Add a drawing to the worksheet
20:44:29 Add a drawing to the worksheet
20:44:29 Play around with inserting and removing rows and columns
20:44:29 Set header/footer
20:44:29 Set page orientation and size
20:44:29 Rename first worksheet
20:44:29 Create a second Worksheet object
20:44:29 Add some data
20:44:29 Set the worksheet tab color
20:44:29 Set alignments
20:44:29 Set column widths
20:44:29 Set fonts
20:44:29 Add a drawing to the worksheet
20:44:29 Set page orientation and size
20:44:29 Rename second worksheet
20:44:29 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/erp/PHPExcel-1.8.porsi/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/erp/PHPExcel-1.8.porsi/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5->buildWorkbookEscher()
#1 /var/www/erp/PHPExcel-1.8.porsi/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save('/var/www/erp/PH...')
#2 {main}
thrown in /var/www/erp/PHPExcel-1.8.porsi/Classes/PHPExcel/Writer/Excel5.php on line 470