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-rw-r--r--php/ext/google/protobuf/type_check.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/php/ext/google/protobuf/type_check.c b/php/ext/google/protobuf/type_check.c
index 37171426..85f5051e 100644
--- a/php/ext/google/protobuf/type_check.c
+++ b/php/ext/google/protobuf/type_check.c
@@ -532,6 +532,7 @@ void check_map_field(const zend_class_entry* klass, PHP_PROTO_LONG key_type,
map_field_handlers->write_dimension(
CACHED_TO_ZVAL_PTR(map_field), &key,
CACHED_PTR_TO_ZVAL_PTR((CACHED_VALUE*)value) TSRMLS_CC);
+ zval_dtor(&key);
}
RETURN_ZVAL(CACHED_TO_ZVAL_PTR(map_field), 1, 1);