13:58:10 Create new PHPExcel object<br />13:58:10 Set document properties<br />13:58:10 Add some data<br />13:58:10 Add comments<br />13:58:10 Add rich-text string<br />13:58:10 Merge cells<br />13:58:10 Protect cells<br />13:58:10 Set cell number formats<br />13:58:10 Set column widths<br />13:58:10 Set fonts<br />13:58:10 Set alignments<br />13:58:10 Set thin black border outline around column<br />13:58:10 Set thick brown border outline around Total<br />13:58:10 Set fills<br />13:58:10 Set style for header row using alternative method<br />13:58:10 Unprotect a cell<br />13:58:10 Add a hyperlink to an external website<br />13:58:10 Add a hyperlink to another cell on a different worksheet within the workbook<br />13:58:10 Add a drawing to the worksheet<br />13:58:10 Add a drawing to the worksheet<br />13:58:10 Add a drawing to the worksheet<br />13:58:10 Play around with inserting and removing rows and columns<br />13:58:10 Set header/footer<br />13:58:10 Set page orientation and size<br />13:58:10 Rename first worksheet<br />13:58:10 Create a second Worksheet object<br />13:58:10 Add some data<br />13:58:10 Set the worksheet tab color<br />13:58:10 Set alignments<br />13:58:10 Set column widths<br />13:58:10 Set fonts<br />13:58:10 Add a drawing to the worksheet<br />13:58:10 Set page orientation and size<br />13:58:10 Rename second worksheet<br />13:58:10 Write to Excel2007 format<br />13:58:10 File written to 05featuredemo.xlsx<br />Call time to write Workbook was 0.0064 seconds<br />13:58:10 Current memory usage: 2 MB<br />13:58:10 Write to Excel5 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function imagepng() in /var/www/html2/icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/html2/icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5-&gt;buildWorkbookEscher()
#1 /var/www/html2/icheckinventory/vendor/phpoffice/phpexcel/Examples/05featuredemo.php(63): PHPExcel_Writer_Excel5-&gt;save('/var/www/html2/...')
#2 {main}
  thrown in <b>/var/www/html2/icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php</b> on line <b>470</b><br />