Fix PHPStan warning.

loophp · Jul 16, 2020 · 04a3450 · 04a3450
1 parent 97996be
commit 04a3450
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Exporter/Image.php b/src/Exporter/Image.php
@@ -45,7 +45,7 @@ public function export(NodeInterface $node): string
 
         file_put_contents($tmp, (new Gv())->export($node));
 
-        return shell_exec($this->getConvertCommand($tmp));
+        return (string) shell_exec($this->getConvertCommand($tmp));
     }
 
     /**