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-rw-r--r--Zend/zend_API.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/Zend/zend_API.h b/Zend/zend_API.h
index bc18cc9118..61d2276f13 100644
--- a/Zend/zend_API.h
+++ b/Zend/zend_API.h
@@ -717,7 +717,8 @@ END_EXTERN_C()
}
#define HASH_OF(p) (Z_TYPE_P(p)==IS_ARRAY ? Z_ARRVAL_P(p) : ((Z_TYPE_P(p)==IS_OBJECT ? Z_OBJ_HT_P(p)->get_properties((p) TSRMLS_CC) : NULL)))
-#define ZVAL_IS_NULL(z) (Z_TYPE_P(z)==IS_NULL)
+#define ZVAL_IS_NULL(z) (Z_TYPE_P(z) == IS_NULL)
+#define ZVAL_IS_UNDEF(z) (Z_TYPE_P(z) == IS_UNDEF)
/* For compatibility */
#define ZEND_MINIT ZEND_MODULE_STARTUP_N