get text explicitly

Author: kkmuffme

src/NodeVisitor.php

@@ -420,7 +420,8 @@ function (\PhpParser\Node\Const_ $const) {
             // Only @var comments are actual, useful documentation for stubs
             if (
                 $this->needsDocumentedGlobals &&
-                preg_match('/@(?:[a-z]+-)?var\s/', (string) $node->getDocComment())
+				$node->getDocComment() &&
+                preg_match('/@(?:[a-z]+-)?var\s/', $node->getDocComment()->getText())
             ) {
                 $this->count('globals', $node->expr->var->name);
                 return $this->needsDocumentedGlobals;