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-rw-r--r--Zend/zend_stack.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/Zend/zend_stack.h b/Zend/zend_stack.h
index 520f010924..5e084fd74f 100644
--- a/Zend/zend_stack.h
+++ b/Zend/zend_stack.h
@@ -38,6 +38,10 @@ ZEND_API int zend_stack_is_empty(zend_stack *stack);
ZEND_API int zend_stack_destroy(zend_stack *stack);
ZEND_API void **zend_stack_base(zend_stack *stack);
ZEND_API int zend_stack_count(zend_stack *stack);
+ZEND_API void zend_stack_apply(zend_stack *stack, void (*apply_function)(void *element), int type);
+ZEND_API void zend_stack_apply_with_argument(zend_stack *stack, void (*apply_function)(void *element, void *arg), int type, void *arg);
+#define ZEND_STACK_APPLY_TOPDOWN 1
+#define ZEND_STACK_APPLY_BOTTOMUP 2
#endif /* _ZEND_STACK_H */