16:32:46 Create new PHPExcel object
16:32:46 Set document properties
16:32:46 Add some data
16:32:46 Add comments
16:32:46 Add rich-text string
16:32:46 Merge cells
16:32:46 Protect cells
16:32:46 Set cell number formats
16:32:46 Set column widths
16:32:46 Set fonts
16:32:46 Set alignments
16:32:46 Set thin black border outline around column
16:32:46 Set thick brown border outline around Total
16:32:46 Set fills
16:32:46 Set style for header row using alternative method
16:32:46 Unprotect a cell
16:32:46 Add a hyperlink to an external website
16:32:46 Add a hyperlink to another cell on a different worksheet within the workbook
16:32:46 Add a drawing to the worksheet
16:32:46 Add a drawing to the worksheet
16:32:46 Add a drawing to the worksheet
16:32:46 Play around with inserting and removing rows and columns
16:32:46 Set header/footer
16:32:46 Set page orientation and size
16:32:46 Rename first worksheet
16:32:46 Create a second Worksheet object
16:32:46 Add some data
16:32:46 Set the worksheet tab color
16:32:46 Set alignments
16:32:46 Set column widths
16:32:46 Set fonts
16:32:46 Add a drawing to the worksheet
16:32:46 Set page orientation and size
16:32:46 Rename second worksheet
16:32:46 Write to Excel2007 format
16:32:46 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0155 seconds
16:32:46 Current memory usage: 4 MB
16:32:46 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:484
Stack trace:
#0 /var/www/erp/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel5.php(148): 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 484