Handle unset with empty key

diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index e05ccf4a1295435f757680b7b6007854fcaabe60..77b1ac6fd3c4a4754a487625e8f94da56e2ab5f6 100644 (file)
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -2164,6 +2164,9 @@ send_by_ref:
                                                                case IS_LONG:
                                                                        zend_hash_index_del(ht, offset->value.lval);
                                                                        break;
+                                                               case IS_NULL:
+                                                                       zend_hash_del(ht,"",1);
+                                                                       break;
                                                                case IS_STRING:
                                                                        zend_hash_del(ht, offset->value.str.val, offset->value.str.len+1);
                                                                        break;