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-rw-r--r--ext/standard/basic_functions.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/standard/basic_functions.h b/ext/standard/basic_functions.h
index 9e68fd4f77..e7c66e6cf6 100644
--- a/ext/standard/basic_functions.h
+++ b/ext/standard/basic_functions.h
@@ -204,6 +204,7 @@ typedef struct _php_basic_globals {
/* var.c */
zend_class_entry *incomplete_class;
+ unsigned serialize_lock; /* whether to use the locally supplied var_hash instead (__sleep/__wakeup) */
struct {
void *var_hash;
unsigned level;