Handle indirect zvals in SplFixedArray::__serialize

Author: nielsdos

ext/spl/spl_fixedarray.c

@@ -610,7 +610,7 @@ PHP_METHOD(SplFixedArray, __serialize)
 
 	/* members */
 	if (intern->std.properties) {
-		ZEND_HASH_FOREACH_STR_KEY_VAL(intern->std.properties, key, current) {
+		ZEND_HASH_FOREACH_STR_KEY_VAL_IND(intern->std.properties, key, current) {
 			/* The properties hash table can also contain the array elements if the properties table was already rebuilt.
 			 * In this case we'd have a NULL key. We can't simply use the properties table in all cases because it's
 			 * potentially out of sync (missing elements, or containing removed elements) and might need a rebuild. */

ext/spl/tests/gh10907.phpt

@@ -112,10 +112,10 @@ object(SplFixedArray)#1 (3) {
 }
 =================
 Test with adding members
-string(161) "O:15:"MySplFixedArray":5:{i:0;s:12:"test value 1";i:1;s:12:"test value 2";i:2;N;s:9:"my_string";i:0;s:19:"my_dynamic_property";s:25:"my_dynamic_property_value";}"
+string(180) "O:15:"MySplFixedArray":5:{i:0;s:12:"test value 1";i:1;s:12:"test value 2";i:2;N;s:9:"my_string";s:15:"my_string_value";s:19:"my_dynamic_property";s:25:"my_dynamic_property_value";}"
 object(MySplFixedArray)#1 (5) {
   ["my_string"]=>
-  int(0)
+  string(15) "my_string_value"
   ["my_dynamic_property"]=>
   string(25) "my_dynamic_property_value"
   [0]=>