From b079f51028571bc603b8d43761c29ff56273bffc Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Sun, 6 Apr 2014 16:24:27 -0500
Subject: C,PHP,Python: stepA fixup. All tests/impls pass!

---
 php/types.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'php/types.php')

diff --git a/php/types.php b/php/types.php
index 6094558..fa57266 100644
--- a/php/types.php
+++ b/php/types.php
@@ -167,7 +167,9 @@ function _dissoc_BANG($hm) {
     $args = func_get_args();
     for ($i=1; $i<count($args); $i++) {
         $ktoken = $args[$i];
-        unset($hm[$ktoken]);
+        if ($hm && $hm->offsetExists($ktoken)) {
+            unset($hm[$ktoken]);
+        }
     }
     return $hm;
 }
-- 
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