diff --git a/php_v8js_macros.h b/php_v8js_macros.h
index e95ca55..a578057 100644
--- a/php_v8js_macros.h
+++ b/php_v8js_macros.h
@@ -166,6 +166,13 @@ extern struct _v8js_process_globals v8js_process_globals;
 /* Register builtin methods into passed object */
 void v8js_register_methods(v8::Local<v8::ObjectTemplate>, v8js_ctx *c);
 
+#ifdef ZEND_HASH_INC_APPLY_COUNT
+#	define GC_PROTECT_RECURSION(ht) ZEND_HASH_INC_APPLY_COUNT(ht)
+#endif
+#ifdef ZEND_HASH_DEC_APPLY_COUNT
+#	define GC_UNPROTECT_RECURSION(ht) ZEND_HASH_DEC_APPLY_COUNT(ht)
+#endif
+
 #endif	/* PHP_V8JS_MACROS_H */
 
 /*
diff --git a/v8js_convert.cc b/v8js_convert.cc
index 056e31b..da52980 100644
--- a/v8js_convert.cc
+++ b/v8js_convert.cc
@@ -70,7 +70,11 @@ static v8::Local<v8::Value> v8js_hash_to_jsarr(zval *value, v8::Isolate *isolate
 	v8::Local<v8::Array> newarr;
 
 	/* Prevent recursion */
+#if PHP_VERSION_ID >= 70300
+	if (myht && GC_IS_RECURSIVE(myht)) {
+#else
 	if (myht && ZEND_HASH_GET_APPLY_COUNT(myht) > 1) {
+#endif
 		return V8JS_NULL;
 	}
 
@@ -86,13 +90,13 @@ static v8::Local<v8::Value> v8js_hash_to_jsarr(zval *value, v8::Isolate *isolate
 			tmp_ht = HASH_OF(data);
 
 			if (tmp_ht) {
-				ZEND_HASH_INC_APPLY_COUNT(myht);
+				GC_PROTECT_RECURSION(myht);
 			}
 
 			newarr->Set(index++, zval_to_v8js(data, isolate));
 
 			if (tmp_ht) {
-				ZEND_HASH_DEC_APPLY_COUNT(myht);
+				GC_UNPROTECT_RECURSION(myht);
 			}
 		} ZEND_HASH_FOREACH_END();
 	}
diff --git a/v8js_exceptions.cc b/v8js_exceptions.cc
index 42fe7b1..967cae8 100644
--- a/v8js_exceptions.cc
+++ b/v8js_exceptions.cc
@@ -88,7 +88,11 @@ void v8js_create_script_exception(zval *return_value, v8::Isolate *isolate, v8::
 
 			zend_class_entry *exception_ce = zend_exception_get_default();
 			if (instanceof_function(php_exception->ce, exception_ce)) {
+#ifdef GC_ADDREF
+				GC_ADDREF(php_exception);
+#else
 				++GC_REFCOUNT(php_exception);
+#endif
 				zend_exception_set_previous(Z_OBJ_P(return_value), php_exception);
 			}
 		}
diff --git a/v8js_object_export.cc b/v8js_object_export.cc
index 4d61e76..0092737 100644
--- a/v8js_object_export.cc
+++ b/v8js_object_export.cc
@@ -137,7 +137,9 @@ static void v8js_call_php_func(zend_object *object, zend_function *method_ptr, v
 
 		zend_try {
 			/* zend_fcall_info_cache */
+#if PHP_VERSION_ID < 70300
 			fcc.initialized = 1;
+#endif
 			fcc.function_handler = method_ptr;
 			fcc.calling_scope = object->ce;
 			fcc.called_scope = object->ce;
@@ -959,14 +961,14 @@ static v8::Local<v8::Object> v8js_wrap_array_to_object(v8::Isolate *isolate, zva
 			tmp_ht = HASH_OF(data);
 
 			if (tmp_ht) {
-				ZEND_HASH_INC_APPLY_COUNT(tmp_ht);
+				GC_PROTECT_RECURSION(tmp_ht);
 			}
 
 			if (key) {
 				if (ZSTR_VAL(key)[0] == '\0' && Z_TYPE_P(value) == IS_OBJECT) {
 					/* Skip protected and private members. */
 					if (tmp_ht) {
-						ZEND_HASH_DEC_APPLY_COUNT(tmp_ht);
+						GC_UNPROTECT_RECURSION(tmp_ht);
 					}
 					continue;
 				}
@@ -990,7 +992,7 @@ static v8::Local<v8::Object> v8js_wrap_array_to_object(v8::Isolate *isolate, zva
 			}
 
 			if (tmp_ht) {
-				ZEND_HASH_DEC_APPLY_COUNT(tmp_ht);
+				GC_UNPROTECT_RECURSION(tmp_ht);
 			}
 		} ZEND_HASH_FOREACH_END();
 	}
@@ -1013,7 +1015,11 @@ v8::Local<v8::Value> v8js_hash_to_jsobj(zval *value, v8::Isolate *isolate) /* {{
 	}
 
 	/* Prevent recursion */
+#if PHP_VERSION_ID >= 70300
+	if (myht && GC_IS_RECURSIVE(myht)) {
+#else
 	if (myht && ZEND_HASH_GET_APPLY_COUNT(myht) > 1) {
+#endif
 		return V8JS_NULL;
 	}
 
diff --git a/v8js_v8object_class.cc b/v8js_v8object_class.cc
index 49669ac..ccf4a1d 100644
--- a/v8js_v8object_class.cc
+++ b/v8js_v8object_class.cc
@@ -210,7 +210,11 @@ static HashTable *v8js_v8object_get_properties(zval *object) /* {{{ */
 	v8js_v8object *obj = Z_V8JS_V8OBJECT_OBJ_P(object);
 
 	if (obj->properties == NULL) {
+#if PHP_VERSION_ID >= 70300
+		if (zend_gc_collect_cycles()) {
+#else
 		if (GC_G(gc_active)) {
+#endif
 			/* the garbage collector is running, don't create more zvals */
 			return NULL;
 		}