18:36:07 Create new PHPExcel object
18:36:07 Set document properties
18:36:07 Add some data
18:36:07 Add comments
18:36:07 Add rich-text string
18:36:07 Merge cells
18:36:07 Protect cells
18:36:07 Set cell number formats
18:36:07 Set column widths
18:36:07 Set fonts
18:36:07 Set alignments
18:36:07 Set thin black border outline around column
18:36:07 Set thick brown border outline around Total
18:36:07 Set fills
18:36:07 Set style for header row using alternative method
18:36:07 Unprotect a cell
18:36:07 Add a hyperlink to an external website
18:36:07 Add a hyperlink to another cell on a different worksheet within the workbook
18:36:07 Add a drawing to the worksheet
18:36:07 Add a drawing to the worksheet
18:36:07 Add a drawing to the worksheet
18:36:07 Play around with inserting and removing rows and columns
18:36:07 Set header/footer
18:36:07 Set page orientation and size
18:36:07 Rename first worksheet
18:36:07 Create a second Worksheet object
18:36:07 Add some data
18:36:07 Set the worksheet tab color
18:36:07 Set alignments
18:36:07 Set column widths
18:36:07 Set fonts
18:36:07 Add a drawing to the worksheet
18:36:07 Set page orientation and size
18:36:07 Rename second worksheet
18:36:07 Write to Excel2007 format
18:36:07 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0142 seconds
18:36:07 Current memory usage: 4 MB
18:36:07 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/05featuredemo.php(63): 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