filter_var_array() may return array_of_ref

This function preserves references in the input array.

Author: nikic

ext/opcache/Optimizer/zend_func_info.c

@@ -1445,7 +1445,7 @@ static const func_info_t func_infos[] = {
 	FN("filter_input",							UNKNOWN_INFO),
 	FN("filter_var",							UNKNOWN_INFO),
 	F1("filter_input_array",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
-	F1("filter_var_array",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
+	F1("filter_var_array",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
 	I1("filter_list",							MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
 	F0("filter_id",								MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),