Add the Z_PARAM_PATH_OR_NULL() and Z_PARAM_ZVAL_OR_NULL() macros

Author: kocsismate

Zend/zend_API.h

@@ -1601,6 +1601,9 @@ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_argument_value_error(uint32_t arg_num
 #define Z_PARAM_PATH(dest, dest_len) \
 	Z_PARAM_PATH_EX(dest, dest_len, 0, 0)
 
+#define Z_PARAM_PATH_OR_NULL(dest, dest_len) \
+	Z_PARAM_PATH_EX(dest, dest_len, 1, 0)
+
 /* old "P" */
 #define Z_PARAM_PATH_STR_EX2(dest, check_null, deref, separate) \
 		Z_PARAM_PROLOGUE(deref, separate); \
@@ -1681,6 +1684,9 @@ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_argument_value_error(uint32_t arg_num
 #define Z_PARAM_ZVAL(dest) \
 	Z_PARAM_ZVAL_EX(dest, 0, 0)
 
+#define Z_PARAM_ZVAL_OR_NULL(dest) \
+	Z_PARAM_ZVAL_EX(dest, 1, 0)
+
 /* old "+" and "*" */
 #define Z_PARAM_VARIADIC_EX(spec, dest, dest_num, post_varargs) do { \
 		uint32_t _num_varargs = _num_args - _i - (post_varargs); \

ext/pdo/pdo_stmt.c

@@ -1595,7 +1595,7 @@ PHP_METHOD(PDOStatement, setAttribute)
 
 	ZEND_PARSE_PARAMETERS_START(2, 2)
 		Z_PARAM_LONG(attr)
-		Z_PARAM_ZVAL_EX(value, 1, 0)
+		Z_PARAM_ZVAL_OR_NULL(value)
 	ZEND_PARSE_PARAMETERS_END();
 
 	PHP_STMT_GET_OBJ;