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From 3ec00a36190393f2c865c67737309391cf280b3b Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Fri, 6 Jul 2018 10:32:18 +0200
Subject: [PATCH] fix for API change in PHP 7.3

---
 php/ext/google/protobuf/def.c           | 18 +++++++++---------
 php/ext/google/protobuf/encode_decode.c |  2 +-
 php/ext/google/protobuf/map.c           |  6 ++++--
 php/ext/google/protobuf/message.c       |  8 ++++++++
 php/ext/google/protobuf/protobuf.c      |  9 +++++----
 php/ext/google/protobuf/protobuf.h      |  7 ++++++-
 php/ext/google/protobuf/storage.c       |  6 +++---
 7 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/php/ext/google/protobuf/def.c b/php/ext/google/protobuf/def.c
index fa33830b93..238a924789 100644
--- a/php/ext/google/protobuf/def.c
+++ b/php/ext/google/protobuf/def.c
@@ -253,7 +253,7 @@ PHP_METHOD(Descriptor, getField) {
 #else
     field_hashtable_value =
         field_descriptor_type->create_object(field_descriptor_type TSRMLS_CC);
-    --GC_REFCOUNT(field_hashtable_value);
+    GC_DELREF(field_hashtable_value);
 #endif
     FieldDescriptor *field_php =
         UNBOX_HASHTABLE_VALUE(FieldDescriptor, field_hashtable_value);
@@ -264,7 +264,7 @@ PHP_METHOD(Descriptor, getField) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(field_hashtable_value, 1, 0);
 #else
-  ++GC_REFCOUNT(field_hashtable_value);
+  GC_ADDREF(field_hashtable_value);
   RETURN_OBJ(field_hashtable_value);
 #endif
 }
@@ -492,7 +492,7 @@ PHP_METHOD(FieldDescriptor, getEnumType) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(desc, 1, 0);
 #else
-  ++GC_REFCOUNT(desc);
+  GC_ADDREF(desc);
   RETURN_OBJ(desc);
 #endif
 }
@@ -512,7 +512,7 @@ PHP_METHOD(FieldDescriptor, getMessageType) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(desc, 1, 0);
 #else
-  ++GC_REFCOUNT(desc);
+  GC_ADDREF(desc);
   RETURN_OBJ(desc);
 #endif
 }
@@ -585,7 +585,7 @@ PHP_METHOD(Oneof, getField) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(field_hashtable_value, 1, 0);
 #else
-  ++GC_REFCOUNT(field_hashtable_value);
+  GC_ADDREF(field_hashtable_value);
   RETURN_OBJ(field_hashtable_value);
 #endif
 }
@@ -703,7 +703,7 @@ PHP_METHOD(DescriptorPool, getGeneratedPool) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(generated_pool_php, 1, 0);
 #else
-  ++GC_REFCOUNT(generated_pool_php);
+  GC_ADDREF(generated_pool_php);
   RETURN_OBJ(generated_pool_php);
 #endif
 }
@@ -713,7 +713,7 @@ PHP_METHOD(InternalDescriptorPool, getGeneratedPool) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(internal_generated_pool_php, 1, 0);
 #else
-  ++GC_REFCOUNT(internal_generated_pool_php);
+  GC_ADDREF(internal_generated_pool_php);
   RETURN_OBJ(internal_generated_pool_php);
 #endif
 }
@@ -1033,7 +1033,7 @@ PHP_METHOD(DescriptorPool, getDescriptorByClassName) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(desc, 1, 0);
 #else
-  ++GC_REFCOUNT(desc);
+  GC_ADDREF(desc);
   RETURN_OBJ(desc);
 #endif
 }
@@ -1070,7 +1070,7 @@ PHP_METHOD(DescriptorPool, getEnumDescriptorByClassName) {
 #if PHP_MAJOR_VERSION < 7
   RETURN_ZVAL(desc, 1, 0);
 #else
-  ++GC_REFCOUNT(desc);
+  GC_ADDREF(desc);
   RETURN_OBJ(desc);
 #endif
 }
diff --git a/php/ext/google/protobuf/encode_decode.c b/php/ext/google/protobuf/encode_decode.c
index a8c47f4d35..de13dfa890 100644
--- a/php/ext/google/protobuf/encode_decode.c
+++ b/php/ext/google/protobuf/encode_decode.c
@@ -577,7 +577,7 @@ static void map_slot_value(upb_fieldtype_t type, const void* from,
       break;
     case UPB_TYPE_MESSAGE:
       *(zend_object**)to = Z_OBJ_P(*(zval**)from);
-      ++GC_REFCOUNT(*(zend_object**)to);
+      GC_ADDREF(*(zend_object**)to);
       break;
 #endif
     default:
diff --git a/php/ext/google/protobuf/map.c b/php/ext/google/protobuf/map.c
index ab8a518a4f..c5b500b53e 100644
--- a/php/ext/google/protobuf/map.c
+++ b/php/ext/google/protobuf/map.c
@@ -192,7 +192,8 @@ static inline void php_proto_map_string_release(void *value) {
 }
 static inline void php_proto_map_object_release(void *value) {
   zend_object* object = *(zend_object**)value;
-  if(--GC_REFCOUNT(object) == 0) {
+  GC_DELREF(object);
+  if(GC_REFCOUNT(object) == 0) {
     zend_objects_store_del(object);
   }
 }
@@ -302,7 +303,8 @@ static bool map_index_unset(Map *intern, const char* keyval, int length) {
         zval_ptr_dtor(upb_value_memory(&old_value));
 #else
         zend_object* object = *(zend_object**)upb_value_memory(&old_value);
-        if(--GC_REFCOUNT(object) == 0) {
+        GC_DELREF(object);
+        if(GC_REFCOUNT(object) == 0) {
           zend_objects_store_del(object);
         }
 #endif
diff --git a/php/ext/google/protobuf/message.c b/php/ext/google/protobuf/message.c
index e28e42a152..a40e0f635c 100644
--- a/php/ext/google/protobuf/message.c
+++ b/php/ext/google/protobuf/message.c
@@ -869,7 +869,11 @@ PHP_PROTO_INIT_ENUMCLASS_START("Google\\Protobuf\\Field\\Cardinality",
   zend_declare_class_constant_long(field_cardinality_type,
                                    "CARDINALITY_REPEATED", 20, 3 TSRMLS_CC);
   const char *alias = "Google\\Protobuf\\Field_Cardinality";
+#if PHP_VERSION_ID < 70300
   zend_register_class_alias_ex(alias, strlen(alias), field_cardinality_type TSRMLS_CC);
+#else
+  zend_register_class_alias_ex(alias, strlen(alias), field_cardinality_type, 1);
+#endif
 PHP_PROTO_INIT_ENUMCLASS_END
 
 // -----------------------------------------------------------------------------
@@ -924,7 +928,11 @@ PHP_PROTO_INIT_ENUMCLASS_START("Google\\Protobuf\\Field\\Kind",
   zend_declare_class_constant_long(field_kind_type,
                                    "TYPE_SINT64", 11, 18 TSRMLS_CC);
   const char *alias = "Google\\Protobuf\\Field_Kind";
+#if PHP_VERSION_ID < 70300
   zend_register_class_alias_ex(alias, strlen(alias), field_kind_type TSRMLS_CC);
+#else
+  zend_register_class_alias_ex(alias, strlen(alias), field_kind_type, 1);
+#endif
 PHP_PROTO_INIT_ENUMCLASS_END
 
 // -----------------------------------------------------------------------------
diff --git a/php/ext/google/protobuf/protobuf.c b/php/ext/google/protobuf/protobuf.c
index da00302f2c..19cc5efb4e 100644
--- a/php/ext/google/protobuf/protobuf.c
+++ b/php/ext/google/protobuf/protobuf.c
@@ -104,7 +104,7 @@ void add_def_obj(const void* def, PHP_PROTO_HASHTABLE_VALUE value) {
 #if PHP_MAJOR_VERSION < 7
   Z_ADDREF_P(value);
 #else
-  ++GC_REFCOUNT(value);
+  GC_ADDREF(value);
 #endif
   add_to_table(upb_def_to_php_obj_map, def, value);
 }
@@ -117,7 +117,7 @@ void add_ce_obj(const void* ce, PHP_PROTO_HASHTABLE_VALUE value) {
 #if PHP_MAJOR_VERSION < 7
   Z_ADDREF_P(value);
 #else
-  ++GC_REFCOUNT(value);
+  GC_ADDREF(value);
 #endif
   add_to_table(ce_to_php_obj_map, ce, value);
 }
@@ -134,7 +134,7 @@ void add_proto_obj(const char* proto, PHP_PROTO_HASHTABLE_VALUE value) {
 #if PHP_MAJOR_VERSION < 7
   Z_ADDREF_P(value);
 #else
-  ++GC_REFCOUNT(value);
+  GC_ADDREF(value);
 #endif
   add_to_strtable(proto_to_php_obj_map, proto, strlen(proto), value);
 }
@@ -235,7 +235,8 @@ static PHP_GSHUTDOWN_FUNCTION(protobuf) {
 static void php_proto_hashtable_descriptor_release(zval* value) {
   void* ptr = Z_PTR_P(value);
   zend_object* object = *(zend_object**)ptr;
-  if(--GC_REFCOUNT(object) == 0) {
+  GC_DELREF(object);
+  if(GC_REFCOUNT(object) == 0) {
     zend_objects_store_del(object);
   }
   efree(ptr);
diff --git a/php/ext/google/protobuf/protobuf.h b/php/ext/google/protobuf/protobuf.h
index 20035ab7ff..6193b28d73 100644
--- a/php/ext/google/protobuf/protobuf.h
+++ b/php/ext/google/protobuf/protobuf.h
@@ -46,6 +46,11 @@
 // PHP7 Wrappers
 // ----------------------------------------------------------------------------
 
+#if PHP_VERSION_ID < 70300
+#define GC_ADDREF(h) ++GC_REFCOUNT(h)
+#define GC_DELREF(h) --GC_REFCOUNT(h)
+#endif
+
 #if PHP_MAJOR_VERSION < 7
 
 #define php_proto_zend_literal const zend_literal*
@@ -496,7 +501,7 @@ static inline int php_proto_zend_hash_get_current_data_ex(HashTable* ht,
   PHP_PROTO_HASHTABLE_VALUE WRAPPED_OBJ;                                    \
   WRAPPED_OBJ = OBJ_CLASS_ENTRY->create_object(OBJ_CLASS_ENTRY);            \
   OBJ = UNBOX_HASHTABLE_VALUE(OBJ_TYPE, WRAPPED_OBJ);                       \
-  --GC_REFCOUNT(WRAPPED_OBJ);
+  GC_DELREF(WRAPPED_OBJ);
 
 #define PHP_PROTO_CE_DECLARE zend_class_entry*
 #define PHP_PROTO_CE_UNREF(ce) (ce)
diff --git a/php/ext/google/protobuf/storage.c b/php/ext/google/protobuf/storage.c
index e7910c85de..a60fbe393b 100644
--- a/php/ext/google/protobuf/storage.c
+++ b/php/ext/google/protobuf/storage.c
@@ -200,7 +200,7 @@ bool native_slot_set_by_array(upb_fieldtype_t type,
       }
 #else
       DEREF(memory, zval*) = value;
-      ++GC_REFCOUNT(Z_OBJ_P(value));
+      GC_ADDREF(Z_OBJ_P(value));
 #endif
       break;
     }
@@ -251,7 +251,7 @@ bool native_slot_set_by_map(upb_fieldtype_t type, const zend_class_entry* klass,
       }
 #else
       DEREF(memory, zend_object*) = Z_OBJ_P(value);
-      ++GC_REFCOUNT(Z_OBJ_P(value));
+      GC_ADDREF(Z_OBJ_P(value));
 #endif
       break;
     }
@@ -428,7 +428,7 @@ void native_slot_get_by_map_value(upb_fieldtype_t type, const void* memory,
         ZVAL_ZVAL(CACHED_PTR_TO_ZVAL_PTR(cache), value, 1, 0);
       }
 #else
-      ++GC_REFCOUNT(*(zend_object**)memory);
+      GC_ADDREF(*(zend_object**)memory);
       ZVAL_OBJ(cache, *(zend_object**)memory);
 #endif
       return;