it's 4 either way, but it's customary to use 1<<

diff --git a/Zend/zend_constants.h b/Zend/zend_constants.h
index 4d60cf96c120e295336e002dd5a4abc82ea7dfad..8a983a27e5f5cf468af960a8fbc29ee0885e9c05 100644 (file)
--- a/Zend/zend_constants.h
+++ b/Zend/zend_constants.h
@@ -26,7 +26,7 @@
 
 #define CONST_CS                               (1<<0)                          /* Case Sensitive */
 #define CONST_PERSISTENT               (1<<1)                          /* Persistent */
-#define CONST_CT_SUBST                 (2<<1)                          /* Allow compile-time substitution */
+#define CONST_CT_SUBST                 (1<<2)                          /* Allow compile-time substitution */
 
 #define        PHP_USER_CONSTANT INT_MAX       /* a constant defined in user space */