From 9b507fe936304a07da1632e72c266d9cb4c4d8a3 Mon Sep 17 00:00:00 2001
From: Matthew Brown <github@muglug.com>
Date: Sat, 16 Jan 2016 14:53:49 -0500
Subject: [PATCH] Add support for global stmts

---
 lib/FunctionChecker.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/FunctionChecker.php b/lib/FunctionChecker.php
index 9696e69cb..26f267d08 100644
--- a/lib/FunctionChecker.php
+++ b/lib/FunctionChecker.php
@@ -171,6 +171,19 @@ class FunctionChecker
                     $this->_aliased_classes[$use->alias] = implode('\\', $use->name->parts);
                 }
             }
+            else if ($stmt instanceof PhpParser\Node\Stmt\Global_) {
+                foreach ($stmt->vars as $var) {
+                    if ($var instanceof PhpParser\Node\Expr\Variable) {
+                        if (is_string($var->name)) {
+                            $vars_in_scope[$var->name] = true;
+                            $vars_possibly_in_scope[$var->name] = true;
+                        }
+                        else {
+                            $this->_checkExpression($var, $vars_in_scope, $vars_possibly_in_scope);
+                        }
+                    }
+                }
+            }
             else {
                 var_dump('Unrecognised statement');
                 var_dump($stmt);