From faf7b12d47a49675c75c65710ba3e1f914bc51b8 Mon Sep 17 00:00:00 2001
From: Ivan Bozhanov <git@vakata.com>
Date: Thu, 26 Jan 2017 19:03:08 +0200
Subject: [PATCH] Fixed setting a variable inside an IF

---
 src/DefinitionResolver.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/DefinitionResolver.php b/src/DefinitionResolver.php
index a7ab566..55160f1 100644
--- a/src/DefinitionResolver.php
+++ b/src/DefinitionResolver.php
@@ -483,7 +483,8 @@ class DefinitionResolver
                 if ($expr instanceof Node\Expr\MethodCall) {
                     $fqn .= '()';
                 }
-                if ($def = $this->index->getDefinition($fqn)) {
+                $def = $this->index->getDefinition($fqn);
+                if ($def !== null) {
                     if ($def->type instanceof Types\This || $def->type instanceof Types\Self_) {
                         return $this->resolveExpressionNodeToType($expr->var);
                     }