take returncode into account

stivni · Jul 31, 2014 · 1a5cfb3 · 1a5cfb3
1 parent 5b84d6d
commit 1a5cfb3
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/PhpPdftkManipulators/PdfCombiner.php b/src/PhpPdftkManipulators/PdfCombiner.php
@@ -76,7 +76,12 @@ public function concatenateFromFilePaths($sourceFilePaths)
         $outputFile = tempnam(sys_get_temp_dir(), 'pdf');
 
         $command = sprintf("{$this->pdftkBinary} %s cat output $outputFile", implode(' ', $sourceFilePaths));
-        exec($command);
+        exec($command, $output, $returnCode); 
+
+        if($returnCode != 0) { 
+            throw \RuntimeException("Couldn't catenate PDFs"); 
+        }
+
         $result = file_get_contents($outputFile);
         if(!$result) {
             throw new \RuntimeException("Couldn't catenate PDFs");
@@ -85,4 +90,4 @@ public function concatenateFromFilePaths($sourceFilePaths)
         @unlink($outputFile);
         return $result;
     }
-}
+}