Merge pull request #14 from JSignPdf/bugfix/prevent-handle-invalid-ou…

…tput Prevent handle invalid output
JSignPdf · Oct 27, 2022 · 18d298b · 18d298b
2 parents e29b53b + d9065c7
commit 18d298b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/Sign/JSignService.php b/src/Sign/JSignService.php
@@ -62,6 +62,9 @@ public function getVersion(JSignParam $params)
 
         $command = "$java -jar $jSignPdf --version";
         \exec($command, $output);
+        if (empty($output) || strpos($output[0], 'version') === false) {
+            return '';
+        }
         return explode('version ', $output[0])[1];
     }