add some const

Author: mvorisek

Zend/zend_types.h

@@ -852,7 +852,7 @@ static zend_always_inline uint8_t zval_get_type(const zval* pz) {
 
 #define ZVAL_STR(z, s) do {						\
 		zval *__z = (z);						\
-		zend_string *__s = (s);					\
+		const zend_string *__s = (s);			\
 		Z_STR_P(__z) = __s;						\
 		/* interned strings support */			\
 		Z_TYPE_INFO_P(__z) = ZSTR_IS_INTERNED(__s) ? \
@@ -862,21 +862,21 @@ static zend_always_inline uint8_t zval_get_type(const zval* pz) {
 
 #define ZVAL_INTERNED_STR(z, s) do {				\
 		zval *__z = (z);							\
-		zend_string *__s = (s);						\
+		const zend_string *__s = (s);				\
 		Z_STR_P(__z) = __s;							\
 		Z_TYPE_INFO_P(__z) = IS_INTERNED_STRING_EX;	\
 	} while (0)
 
 #define ZVAL_NEW_STR(z, s) do {					\
 		zval *__z = (z);						\
-		zend_string *__s = (s);					\
+		const zend_string *__s = (s);			\
 		Z_STR_P(__z) = __s;						\
 		Z_TYPE_INFO_P(__z) = IS_STRING_EX;		\
 	} while (0)
 
 #define ZVAL_STR_COPY(z, s) do {						\
 		zval *__z = (z);								\
-		zend_string *__s = (s);							\
+		const zend_string *__s = (s);					\
 		Z_STR_P(__z) = __s;								\
 		/* interned strings support */					\
 		if (ZSTR_IS_INTERNED(__s)) {					\
@@ -888,7 +888,7 @@ static zend_always_inline uint8_t zval_get_type(const zval* pz) {
 	} while (0)
 
 #define ZVAL_ARR(z, a) do {						\
-		zend_array *__arr = (a);				\
+		const zend_array *__arr = (a);			\
 		zval *__z = (z);						\
 		Z_ARR_P(__z) = __arr;					\
 		Z_TYPE_INFO_P(__z) = IS_ARRAY_EX;		\
@@ -910,7 +910,7 @@ static zend_always_inline uint8_t zval_get_type(const zval* pz) {
 
 #define ZVAL_OBJ_COPY(z, o) do {				\
 		zval *__z = (z);						\
-		zend_object *__o = (o);					\
+		const zend_object *__o = (o);			\
 		GC_ADDREF(__o);							\
 		Z_OBJ_P(__z) = __o;						\
 		Z_TYPE_INFO_P(__z) = IS_OBJECT_EX;		\