15:30:21 Create new PHPExcel object
15:30:21 Set document properties
15:30:21 Add some data
15:30:21 Add comments
15:30:21 Add rich-text string
15:30:21 Merge cells
15:30:21 Protect cells
15:30:21 Set cell number formats
15:30:21 Set column widths
15:30:21 Set fonts
15:30:21 Set alignments
15:30:21 Set thin black border outline around column
15:30:21 Set thick brown border outline around Total
15:30:21 Set fills
15:30:21 Set style for header row using alternative method
15:30:21 Unprotect a cell
15:30:21 Add a hyperlink to an external website
15:30:21 Add a hyperlink to another cell on a different worksheet within the workbook
15:30:21 Add a drawing to the worksheet
15:30:21 Add a drawing to the worksheet
15:30:21 Add a drawing to the worksheet
15:30:21 Play around with inserting and removing rows and columns
15:30:21 Set header/footer
15:30:21 Set page orientation and size
15:30:21 Rename first worksheet
15:30:21 Create a second Worksheet object
15:30:21 Add some data
15:30:21 Set the worksheet tab color
15:30:21 Set alignments
15:30:21 Set column widths
15:30:21 Set fonts
15:30:21 Add a drawing to the worksheet
15:30:21 Set page orientation and size
15:30:21 Rename second worksheet
15:30:21 Write to Excel2007 format
15:30:21 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0131 seconds
15:30:21 Current memory usage: 2 MB
15:30:21 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/05featuredemo.php(63): 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