Merge pull request #84 from marc-dll/master_FIX_concatpdf_php8.4

FIX: concatpdf: php 8 warnings

Author: eldy

htdocs/concatpdf/class/actions_concatpdf.class.php

@@ -255,7 +255,7 @@ public function afterPDFCreation($parameters, &$pdfhandler, &$action)
 				}
 				foreach ($tmparray2 as $key => $val) {	// for example: $key is 'proposal' and value is 'model1a,model1b'
 					//var_dump($key.' - '.$altkey[$key].' - '.$val.' - '.$parameters['object']->element);
-					if (isset($parameters['object']->element) && ($parameters['object']->element == $key || $parameters['object']->element == $altkey[$key])) {
+					if (isset($parameters['object']->element) && ($parameters['object']->element == $key || (isset($altkey[$key]) && $parameters['object']->element == $altkey[$key]))) {
 						$tmpval = explode(',', $val);
 						foreach($tmpval as $val2) {
 							$concatpdffile[] = preg_replace('/\.pdf$/i', '', $val2);
@@ -366,7 +366,7 @@ public function afterPDFCreation($parameters, &$pdfhandler, &$action)
 					}
 
 					$pdf->Output($filetoconcat1[0], 'F');
-					dolChmod($file);
+					dolChmod($filetoconcat1[0]);
 
 					if (! empty($deltemp)) {
 						// Delete temp files