From a1347dbfee0e6850288772d9f6ce15d6c7dcc7e7 Mon Sep 17 00:00:00 2001
From: Philip Nelson <philip@whatsbeef.net>
Date: Tue, 5 Dec 2017 10:36:48 +1100
Subject: [PATCH] replace is_null with === null

---
 src/SignatureHelpProvider.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SignatureHelpProvider.php b/src/SignatureHelpProvider.php
index 04b272b..ed9522a 100644
--- a/src/SignatureHelpProvider.php
+++ b/src/SignatureHelpProvider.php
@@ -234,7 +234,7 @@ class SignatureHelpProvider
                 ++$i;
             }
         }
-        if (is_null($found)) {
+        if ($found === null) {
             $found = $i;
         }
         return $found;