16:46:42 Create new PHPExcel object
16:46:42 Set document properties
16:46:42 Add some data
16:46:42 Add comments
16:46:42 Add rich-text string
16:46:42 Merge cells
16:46:42 Protect cells
16:46:42 Set cell number formats
16:46:42 Set column widths
16:46:42 Set fonts
16:46:42 Set alignments
16:46:42 Set thin black border outline around column
16:46:42 Set thick brown border outline around Total
16:46:42 Set fills
16:46:42 Set style for header row using alternative method
16:46:42 Unprotect a cell
16:46:42 Add a hyperlink to an external website
16:46:42 Add a hyperlink to another cell on a different worksheet within the workbook
16:46:42 Add a drawing to the worksheet
16:46:42 Add a drawing to the worksheet
16:46:42 Add a drawing to the worksheet
16:46:42 Play around with inserting and removing rows and columns
16:46:42 Set header/footer
16:46:42 Set page orientation and size
16:46:42 Rename first worksheet
16:46:42 Create a second Worksheet object
16:46:42 Add some data
16:46:42 Set the worksheet tab color
16:46:42 Set alignments
16:46:42 Set column widths
16:46:42 Set fonts
16:46:42 Add a drawing to the worksheet
16:46:42 Set page orientation and size
16:46:42 Rename second worksheet
16:46:42 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