feat: add php 8.2 compatibility

rgsystemes · Dec 29, 2022 · 112dd23 · 112dd23
1 parent 065c994
commit 112dd23
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Showing 21 changed files with 70 additions and 25 deletions.
diff --git a/ext/php_driver.h b/ext/php_driver.h
@@ -129,6 +129,9 @@ typedef zend_object php7to8_object;
 #define PHP7TO8_ARG_INFO_VOID_RETURN(arginfo) \
   ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo, 0, 0, IS_VOID, 0) \
   ZEND_END_ARG_INFO()
+#define PHP7TO8_ARG_INFO_STRING_RETURN(arginfo) \
+  ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo, 0, 0, IS_STRING, 0) \
+  ZEND_END_ARG_INFO()
 #define PHP7TO8_ARG_INFO_BOOL_RETURN(arginfo) \
   ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(arginfo, 0, 0, _IS_BOOL, 0) \
   ZEND_END_ARG_INFO()
@@ -172,6 +175,9 @@ typedef zval php7to8_object;
 #define PHP7TO8_ARG_INFO_VOID_RETURN(arginfo) \
   ZEND_BEGIN_ARG_INFO_EX(arginfo, 0, ZEND_RETURN_VALUE, 0) \
   ZEND_END_ARG_INFO()
+#define PHP7TO8_ARG_INFO_STRING_RETURN(arginfo) \
+  ZEND_BEGIN_ARG_INFO_EX(arginfo, 0, ZEND_RETURN_VALUE, 0) \
+  ZEND_END_ARG_INFO()
 #define PHP7TO8_ARG_INFO_BOOL_RETURN(arginfo) \
   ZEND_BEGIN_ARG_INFO_EX(arginfo, 0, ZEND_RETURN_VALUE, 0) \
   ZEND_END_ARG_INFO()
@@ -200,6 +206,12 @@ typedef zval php7to8_object;
   ZEND_END_ARG_INFO()
 #endif
 
+#if ((PHP_MAJOR_VERSION == 8 && PHP_MINOR_VERSION >= 2) || PHP_MAJOR_VERSION > 8)
+#define PHP7TO82_ZEND_KEY() __key ? __key->val : NULL
+#else
+#define PHP7TO82_ZEND_KEY() _p->key ? _p->key->val : NULL
+#endif
+
 #if PHP_MAJOR_VERSION >= 7
 #define php5to7_zend_register_internal_class_ex(ce, parent_ce) zend_register_internal_class_ex((ce), (parent_ce) TSRMLS_CC);
 
@@ -276,11 +288,7 @@ php5to7_string_compare(php5to7_string s1, php5to7_string s2)
 
 #define PHP5TO7_ZEND_HASH_FOREACH_STR_KEY_VAL(ht, _key, _val) \
   ZEND_HASH_FOREACH(ht, 0);                                   \
-  if (_p->key) {                                              \
-    (_key) = _p->key->val;                                    \
-  }  else {                                                   \
-    (_key) = NULL;                                            \
-  }                                                           \
+  _key = PHP7TO82_ZEND_KEY();                                 \
   _val = _z;
 
 #define PHP5TO7_ZEND_HASH_FOREACH_END(ht) ZEND_HASH_FOREACH_END()

diff --git a/ext/src/Bigint.c b/ext/src/Bigint.c
@@ -371,9 +371,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_bigint_methods[] = {
   PHP_ME(Bigint, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Bigint, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Bigint, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Bigint, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Bigint, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Bigint, add, arginfo_num, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Blob.c b/ext/src/Blob.c
@@ -101,9 +101,11 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_blob_methods[] = {
   PHP_ME(Blob, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Blob, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Blob, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Blob, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Blob, bytes, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Blob, toBinaryString, arginfo_none, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Date.c b/ext/src/Date.c
@@ -180,13 +180,15 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_date_methods[] = {
   PHP_ME(Date, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
   PHP_ME(Date, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Date, seconds, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Date, toDateTime, arginfo_time, ZEND_ACC_PUBLIC)
   PHP_ME(Date, fromDateTime, arginfo_datetime, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Date, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Date, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };
 

diff --git a/ext/src/Decimal.c b/ext/src/Decimal.c
@@ -490,9 +490,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_decimal_methods[] = {
   PHP_ME(Decimal, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Decimal, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Decimal, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Decimal, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Decimal, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Decimal, scale, arginfo_none, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Duration.c b/ext/src/Duration.c
@@ -213,13 +213,15 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo__construct, 0, ZEND_RETURN_VALUE, 3)
   ZEND_ARG_INFO(0, nanos)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_duration_methods[] = {
   PHP_ME(Duration, __construct,  arginfo__construct, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
   PHP_ME(Duration, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Duration, months, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Duration, days, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Duration, nanos, arginfo_none, ZEND_ACC_PUBLIC)
-  PHP_ME(Duration, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Duration, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };
 

diff --git a/ext/src/Float.c b/ext/src/Float.c
@@ -346,9 +346,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_float_methods[] = {
   PHP_ME(Float, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Float, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Float, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Float, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Float, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Float, isInfinite, arginfo_none, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Inet.c b/ext/src/Inet.c
@@ -90,9 +90,11 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_inet_methods[] = {
   PHP_ME(Inet, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Inet, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Inet, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Inet, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Inet, address, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_FE_END

diff --git a/ext/src/Smallint.c b/ext/src/Smallint.c
@@ -403,9 +403,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_smallint_methods[] = {
   PHP_ME(Smallint, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Smallint, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Smallint, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Smallint, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Smallint, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Smallint, add, arginfo_num, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Time.c b/ext/src/Time.c
@@ -205,12 +205,14 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_time_methods[] = {
   PHP_ME(Time, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
   PHP_ME(Time, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Time, seconds, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Time, fromDateTime, arginfo_datetime, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-  PHP_ME(Time, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Time, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };
 

diff --git a/ext/src/Timestamp.c b/ext/src/Timestamp.c
@@ -173,13 +173,15 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_timestamp_methods[] = {
   PHP_ME(Timestamp, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
   PHP_ME(Timestamp, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Timestamp, time, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Timestamp, microtime, arginfo_microtime, ZEND_ACC_PUBLIC)
   PHP_ME(Timestamp, toDateTime, arginfo_none, ZEND_ACC_PUBLIC)
-  PHP_ME(Timestamp, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Timestamp, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };
 

diff --git a/ext/src/Timeuuid.c b/ext/src/Timeuuid.c
@@ -169,9 +169,11 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_timeuuid_methods[] = {
   PHP_ME(Timeuuid, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Timeuuid, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Timeuuid, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Timeuuid, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Timeuuid, uuid, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Timeuuid, version, arginfo_none, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Tinyint.c b/ext/src/Tinyint.c
@@ -402,9 +402,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_tinyint_methods[] = {
   PHP_ME(Tinyint, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Tinyint, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Tinyint, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Tinyint, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Tinyint, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Tinyint, add, arginfo_num, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Type.c b/ext/src/Type.c
@@ -207,9 +207,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_map, 0, ZEND_RETURN_VALUE, 2)
   PHP_DRIVER_NAMESPACE_ZEND_ARG_OBJ_INFO(0, valueType, Type, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_type_methods[] = {
   PHP_ABSTRACT_ME(Type, name,       arginfo_none)
-  PHP_ABSTRACT_ME(Type, __toString, arginfo_none)
+  PHP_ABSTRACT_ME(Type, __toString, arginfo_string_return)
 
 #define XX_SCALAR_METHOD(name, _) PHP_ME(Type, name, arginfo_none, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC|ZEND_ACC_FINAL)
   PHP_DRIVER_SCALAR_TYPES_MAP(XX_SCALAR_METHOD)

diff --git a/ext/src/Type/Collection.c b/ext/src/Type/Collection.c
@@ -113,12 +113,13 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
 PHP7TO8_ARG_INFO_VARIADIC(arginfo_value, value)
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
 
 static zend_function_entry php_driver_type_collection_methods[] = {
   PHP_ME(TypeCollection, __construct, arginfo_none,  ZEND_ACC_PRIVATE)
   PHP_ME(TypeCollection, name,        arginfo_none,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeCollection, valueType,   arginfo_none,  ZEND_ACC_PUBLIC)
-  PHP_ME(TypeCollection, __toString,  arginfo_none,  ZEND_ACC_PUBLIC)
+  PHP_ME(TypeCollection, __toString,  arginfo_string_return,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeCollection, create,      arginfo_value, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };

diff --git a/ext/src/Type/Custom.c b/ext/src/Type/Custom.c
@@ -69,10 +69,12 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_value, 0, ZEND_RETURN_VALUE, 0)
   ZEND_ARG_INFO(0, value)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_type_custom_methods[] = {
   PHP_ME(TypeCustom, __construct, arginfo_none,  ZEND_ACC_PRIVATE)
   PHP_ME(TypeCustom, name,        arginfo_none,  ZEND_ACC_PUBLIC)
-  PHP_ME(TypeCustom, __toString,  arginfo_none,  ZEND_ACC_PUBLIC)
+  PHP_ME(TypeCustom, __toString,  arginfo_string_return,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeCustom, create,      arginfo_value, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };

diff --git a/ext/src/Type/Scalar.c b/ext/src/Type/Scalar.c
@@ -72,10 +72,12 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_value, 0, ZEND_RETURN_VALUE, 0)
   ZEND_ARG_INFO(0, value)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_type_scalar_methods[] = {
   PHP_ME(TypeScalar, __construct, arginfo_none,  ZEND_ACC_PRIVATE)
   PHP_ME(TypeScalar, name,        arginfo_none,  ZEND_ACC_PUBLIC)
-  PHP_ME(TypeScalar, __toString,  arginfo_none,  ZEND_ACC_PUBLIC)
+  PHP_ME(TypeScalar, __toString,  arginfo_string_return,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeScalar, create,      arginfo_value, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };

diff --git a/ext/src/Type/Set.c b/ext/src/Type/Set.c
@@ -105,12 +105,13 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
 PHP7TO8_ARG_INFO_VARIADIC(arginfo_value, value)
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
 
 static zend_function_entry php_driver_type_set_methods[] = {
   PHP_ME(TypeSet, __construct, arginfo_none,  ZEND_ACC_PRIVATE)
   PHP_ME(TypeSet, name,        arginfo_none,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeSet, valueType,   arginfo_none,  ZEND_ACC_PUBLIC)
-  PHP_ME(TypeSet, __toString,  arginfo_none,  ZEND_ACC_PUBLIC)
+  PHP_ME(TypeSet, __toString,  arginfo_string_return,  ZEND_ACC_PUBLIC)
   PHP_ME(TypeSet, create,      arginfo_value, ZEND_ACC_PUBLIC)
   PHP_FE_END
 };

diff --git a/ext/src/Type/Tuple.c b/ext/src/Type/Tuple.c
@@ -141,11 +141,12 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
 PHP7TO8_ARG_INFO_VARIADIC(arginfo_values, values)
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
 
 static zend_function_entry php_driver_type_tuple_methods[] = {
   PHP_ME(TypeTuple, __construct, arginfo_none,   ZEND_ACC_PRIVATE)
   PHP_ME(TypeTuple, name,        arginfo_none,   ZEND_ACC_PUBLIC)
-  PHP_ME(TypeTuple, __toString,  arginfo_none,   ZEND_ACC_PUBLIC)
+  PHP_ME(TypeTuple, __toString,  arginfo_string_return,   ZEND_ACC_PUBLIC)
   PHP_ME(TypeTuple, types,       arginfo_none,   ZEND_ACC_PUBLIC)
   PHP_ME(TypeTuple, create,      arginfo_values, ZEND_ACC_PUBLIC)
   PHP_FE_END

diff --git a/ext/src/Uuid.c b/ext/src/Uuid.c
@@ -106,9 +106,11 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_none, 0, ZEND_RETURN_VALUE, 0)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_uuid_methods[] = {
   PHP_ME(Uuid, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Uuid, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Uuid, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Uuid, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Uuid, uuid, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Uuid, version, arginfo_none, ZEND_ACC_PUBLIC)

diff --git a/ext/src/Varint.c b/ext/src/Varint.c
@@ -350,9 +350,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_num, 0, ZEND_RETURN_VALUE, 1)
   ZEND_ARG_INFO(0, num)
 ZEND_END_ARG_INFO()
 
+PHP7TO8_ARG_INFO_STRING_RETURN(arginfo_string_return)
+
 static zend_function_entry php_driver_varint_methods[] = {
   PHP_ME(Varint, __construct, arginfo__construct, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
-  PHP_ME(Varint, __toString, arginfo_none, ZEND_ACC_PUBLIC)
+  PHP_ME(Varint, __toString, arginfo_string_return, ZEND_ACC_PUBLIC)
   PHP_ME(Varint, type, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Varint, value, arginfo_none, ZEND_ACC_PUBLIC)
   PHP_ME(Varint, add, arginfo_num, ZEND_ACC_PUBLIC)