18:24:47 Create new PHPExcel object
18:24:47 Set document properties
18:24:47 Add some data
18:24:47 Add comments
18:24:47 Add rich-text string
18:24:47 Merge cells
18:24:47 Protect cells
18:24:47 Set cell number formats
18:24:47 Set column widths
18:24:47 Set fonts
18:24:47 Set alignments
18:24:47 Set thin black border outline around column
18:24:47 Set thick brown border outline around Total
18:24:47 Set fills
18:24:47 Set style for header row using alternative method
18:24:47 Unprotect a cell
18:24:47 Add a hyperlink to an external website
18:24:47 Add a hyperlink to another cell on a different worksheet within the workbook
18:24:47 Add a drawing to the worksheet
18:24:47 Add a drawing to the worksheet
18:24:47 Add a drawing to the worksheet
18:24:47 Play around with inserting and removing rows and columns
18:24:47 Set header/footer
18:24:47 Set page orientation and size
18:24:47 Rename first worksheet
18:24:47 Create a second Worksheet object
18:24:47 Add some data
18:24:47 Set the worksheet tab color
18:24:47 Set alignments
18:24:47 Set column widths
18:24:47 Set fonts
18:24:47 Add a drawing to the worksheet
18:24:47 Set page orientation and size
18:24:47 Rename second worksheet
18:24:47 Write to Excel2007 format
18:24:47 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0139 seconds
18:24:47 Current memory usage: 4 MB
18:24:47 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