diff --git a/php/src/IcePHP/Communicator.cpp b/php/src/IcePHP/Communicator.cpp
index fced1eb..781e175 100644
--- a/php/src/IcePHP/Communicator.cpp
+++ b/php/src/IcePHP/Communicator.cpp
@@ -716,7 +716,8 @@ handleFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<CommunicatorInfoIPtr>* obj = static_cast<Wrapper<CommunicatorInfoIPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 #ifdef _WIN32
@@ -834,6 +835,7 @@ ZEND_FUNCTION(Ice_initialize)
 
     Ice::StringSeq seq;
     Ice::InitializationData initData;
+    zval* zvargs = 0;
     zval* zvinit = 0;
 
     //
@@ -853,6 +855,7 @@ ZEND_FUNCTION(Ice_initialize)
             {
                 RETURN_NULL();
             }
+            zvargs = *args[0];
             hasArgs = true;
             if(ZEND_NUM_ARGS() > 1)
             {
@@ -913,6 +916,15 @@ ZEND_FUNCTION(Ice_initialize)
     {
         RETURN_NULL();
     }
+
+    if(zvargs && PZVAL_IS_REF(zvargs))
+    {
+        zval_dtor(zvargs);
+        if(!createStringArray(zvargs, seq TSRMLS_CC))
+        {
+            RETURN_NULL();
+        }
+    }
 }
 
 ZEND_FUNCTION(Ice_register)
@@ -1092,11 +1104,11 @@ ZEND_FUNCTION(Ice_getProperties)
 //
 // Predefined methods for Communicator.
 //
-static function_entry _interfaceMethods[] =
+static zend_function_entry _interfaceMethods[] =
 {
     {0, 0, 0}
 };
-static function_entry _classMethods[] =
+static zend_function_entry _classMethods[] =
 {
     ZEND_ME(Ice_Communicator, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_Communicator, destroy, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/src/IcePHP/Communicator.h b/php/src/IcePHP/Communicator.h
index c3b928d..02610d0 100644
--- a/php/src/IcePHP/Communicator.h
+++ b/php/src/IcePHP/Communicator.h
@@ -25,24 +25,6 @@ ZEND_FUNCTION(Ice_find);
 ZEND_FUNCTION(Ice_getProperties);
 }
 
-#define ICEPHP_COMMUNICATOR_FUNCTIONS \
-    ZEND_FE(Ice_initialize, NULL) \
-    ZEND_FE(Ice_register, NULL) \
-    ZEND_FE(Ice_unregister, NULL) \
-    ZEND_FE(Ice_find, NULL) \
-    ZEND_FE(Ice_getProperties, NULL)
-
-#ifdef ICEPHP_USE_NAMESPACES
-#   define ICEPHP_COMMUNICATOR_NS_FUNCTIONS \
-    ZEND_NS_FALIAS("Ice", initialize, Ice_initialize, NULL) \
-    ZEND_NS_FALIAS("Ice", register, Ice_register, NULL) \
-    ZEND_NS_FALIAS("Ice", unregister, Ice_unregister, NULL) \
-    ZEND_NS_FALIAS("Ice", find, Ice_find, NULL) \
-    ZEND_NS_FALIAS("Ice", getProperties, Ice_getProperties, NULL)
-#else
-#   define ICEPHP_COMMUNICATOR_NS_FUNCTIONS
-#endif
-
 namespace IcePHP
 {
 
diff --git a/php/src/IcePHP/Connection.cpp b/php/src/IcePHP/Connection.cpp
index cd1784a..407a6fa 100644
--- a/php/src/IcePHP/Connection.cpp
+++ b/php/src/IcePHP/Connection.cpp
@@ -236,7 +236,8 @@ handleConnectionFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::ConnectionPtr>* obj = static_cast<Wrapper<Ice::ConnectionPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 #ifdef _WIN32
@@ -271,11 +272,11 @@ handleConnectionCompare(zval* zobj1, zval* zobj2 TSRMLS_DC)
 //
 // Predefined methods for Connection.
 //
-static function_entry _interfaceMethods[] =
+static zend_function_entry _interfaceMethods[] =
 {
     {0, 0, 0}
 };
-static function_entry _connectionClassMethods[] =
+static zend_function_entry _connectionClassMethods[] =
 {
     ZEND_ME(Ice_Connection, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_Connection, __toString, NULL, ZEND_ACC_PUBLIC)
@@ -297,7 +298,7 @@ ZEND_METHOD(Ice_ConnectionInfo, __construct)
 //
 // Predefined methods for ConnectionInfo.
 //
-static function_entry _connectionInfoClassMethods[] =
+static zend_function_entry _connectionInfoClassMethods[] =
 {
     ZEND_ME(Ice_ConnectionInfo, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     {0, 0, 0}
@@ -329,7 +330,8 @@ handleConnectionInfoFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::ConnectionInfoPtr>* obj = static_cast<Wrapper<Ice::ConnectionInfoPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 bool
diff --git a/php/src/IcePHP/Endpoint.cpp b/php/src/IcePHP/Endpoint.cpp
index de5fe61..4da2aff 100644
--- a/php/src/IcePHP/Endpoint.cpp
+++ b/php/src/IcePHP/Endpoint.cpp
@@ -115,7 +115,8 @@ handleEndpointFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::EndpointPtr>* obj = static_cast<Wrapper<Ice::EndpointPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 ZEND_METHOD(Ice_EndpointInfo, __construct)
@@ -213,10 +214,11 @@ handleEndpointInfoFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::EndpointInfoPtr>* obj = static_cast<Wrapper<Ice::EndpointInfoPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
-static function_entry _interfaceMethods[] =
+static zend_function_entry _interfaceMethods[] =
 {
     {0, 0, 0}
 };
@@ -224,7 +226,7 @@ static function_entry _interfaceMethods[] =
 //
 // Predefined methods for Endpoint.
 //
-static function_entry _endpointMethods[] =
+static zend_function_entry _endpointMethods[] =
 {
     ZEND_ME(Ice_Endpoint, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_Endpoint, __toString, NULL, ZEND_ACC_PUBLIC)
@@ -236,7 +238,7 @@ static function_entry _endpointMethods[] =
 //
 // Predefined methods for EndpointInfo.
 //
-static function_entry _endpointInfoMethods[] =
+static zend_function_entry _endpointInfoMethods[] =
 {
     ZEND_ME(Ice_EndpointInfo, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_EndpointInfo, type, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/src/IcePHP/Init.cpp b/php/src/IcePHP/Init.cpp
index e6c5f49..918d822 100644
--- a/php/src/IcePHP/Init.cpp
+++ b/php/src/IcePHP/Init.cpp
@@ -22,10 +22,73 @@ using namespace IcePHP;
 
 ZEND_DECLARE_MODULE_GLOBALS(ice)
 
+ZEND_BEGIN_ARG_INFO(Ice_initialize_arginfo, 1)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO(Ice_createProperties_arginfo, 1)
+ZEND_END_ARG_INFO()
+
+#define ICEPHP_COMMUNICATOR_FUNCTIONS \
+    ZEND_FE(Ice_initialize, Ice_initialize_arginfo) \
+    ZEND_FE(Ice_register, NULL) \
+    ZEND_FE(Ice_unregister, NULL) \
+    ZEND_FE(Ice_find, NULL) \
+    ZEND_FE(Ice_getProperties, NULL)
+
+#ifdef ICEPHP_USE_NAMESPACES
+#   define ICEPHP_COMMUNICATOR_NS_FUNCTIONS \
+    ZEND_NS_FALIAS("Ice", initialize, Ice_initialize, Ice_initialize_arginfo) \
+    ZEND_NS_FALIAS("Ice", register, Ice_register, NULL) \
+    ZEND_NS_FALIAS("Ice", unregister, Ice_unregister, NULL) \
+    ZEND_NS_FALIAS("Ice", find, Ice_find, NULL) \
+    ZEND_NS_FALIAS("Ice", getProperties, Ice_getProperties, NULL)
+#else
+#   define ICEPHP_COMMUNICATOR_NS_FUNCTIONS
+#endif
+
+#define ICEPHP_OPERATION_FUNCTIONS \
+    ZEND_FE(IcePHP_defineOperation,  NULL)
+
+#define ICEPHP_PROPERTIES_FUNCTIONS \
+    ZEND_FE(Ice_createProperties, Ice_createProperties_arginfo)
+
+#ifdef ICEPHP_USE_NAMESPACES
+#   define ICEPHP_PROPERTIES_NS_FUNCTIONS \
+    ZEND_NS_FALIAS("Ice", createProperties, Ice_createProperties, Ice_createProperties_arginfo)
+#else
+#   define ICEPHP_PROPERTIES_NS_FUNCTIONS
+#endif
+
+#define ICEPHP_TYPE_FUNCTIONS \
+    ZEND_FE(IcePHP_defineEnum,          NULL) \
+    ZEND_FE(IcePHP_defineStruct,        NULL) \
+    ZEND_FE(IcePHP_defineSequence,      NULL) \
+    ZEND_FE(IcePHP_defineDictionary,    NULL) \
+    ZEND_FE(IcePHP_defineProxy,         NULL) \
+    ZEND_FE(IcePHP_declareClass,        NULL) \
+    ZEND_FE(IcePHP_defineClass,         NULL) \
+    ZEND_FE(IcePHP_defineException,     NULL) \
+    ZEND_FE(IcePHP_stringify,           NULL) \
+    ZEND_FE(IcePHP_stringifyException,  NULL)
+
+#define ICEPHP_UTIL_FUNCTIONS \
+    ZEND_FE(Ice_stringVersion, NULL) \
+    ZEND_FE(Ice_intVersion, NULL) \
+    ZEND_FE(Ice_generateUUID, NULL)
+
+#ifdef ICEPHP_USE_NAMESPACES
+#   define ICEPHP_UTIL_NS_FUNCTIONS \
+    ZEND_NS_FALIAS("Ice", stringVersion, Ice_stringVersion, NULL) \
+    ZEND_NS_FALIAS("Ice", intVersion, Ice_intVersion, NULL) \
+    ZEND_NS_FALIAS("Ice", generateUUID, Ice_generateUUID, NULL)
+#else
+#   define ICEPHP_UTIL_NS_FUNCTIONS
+#endif
+
 //
 // Entries for all global functions.
 //
-function_entry ice_functions[] =
+zend_function_entry ice_functions[] =
 {
     ICEPHP_COMMUNICATOR_FUNCTIONS
     ICEPHP_COMMUNICATOR_NS_FUNCTIONS
diff --git a/php/src/IcePHP/Logger.cpp b/php/src/IcePHP/Logger.cpp
index f9514a3..e6d52d0 100644
--- a/php/src/IcePHP/Logger.cpp
+++ b/php/src/IcePHP/Logger.cpp
@@ -210,7 +210,8 @@ handleFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::LoggerPtr>* obj = static_cast<Wrapper<Ice::LoggerPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 #ifdef _WIN32
@@ -226,11 +227,11 @@ handleClone(zval* zv TSRMLS_DC)
 //
 // Predefined methods for Logger.
 //
-static function_entry _interfaceMethods[] =
+static zend_function_entry _interfaceMethods[] =
 {
     {0, 0, 0}
 };
-static function_entry _classMethods[] =
+static zend_function_entry _classMethods[] =
 {
     ZEND_ME(Ice_Logger, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_Logger, __toString, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/src/IcePHP/Operation.cpp b/php/src/IcePHP/Operation.cpp
index 8a6fafe..3e062be 100644
--- a/php/src/IcePHP/Operation.cpp
+++ b/php/src/IcePHP/Operation.cpp
@@ -218,7 +218,7 @@ IcePHP::OperationI::~OperationI()
     if(_zendFunction)
     {
         delete []_zendFunction->arg_info;
-        efree(_zendFunction->function_name);
+        efree(const_cast<char*>(_zendFunction->function_name));
         efree(_zendFunction);
     }
 }
@@ -238,12 +238,16 @@ IcePHP::OperationI::function()
         for(p = inParams.begin(); p != inParams.end(); ++p, ++i)
         {
             getArgInfo(argInfo[i], *p, false);
+#if PHP_VERSION_ID < 50400
             argInfo[i].required_num_args = static_cast<zend_uint>(numParams);
+#endif
         }
         for(p = outParams.begin(); p != outParams.end(); ++p, ++i)
         {
             getArgInfo(argInfo[i], *p, true);
+#if PHP_VERSION_ID < 50400
             argInfo[i].required_num_args = static_cast<zend_uint>(numParams);
+#endif
         }
 
         string fixed = fixIdent(name);
@@ -255,9 +259,11 @@ IcePHP::OperationI::function()
         _zendFunction->prototype = 0;
         _zendFunction->num_args = static_cast<zend_uint>(numParams);
         _zendFunction->arg_info = argInfo;
-        _zendFunction->pass_rest_by_reference = 0;
         _zendFunction->required_num_args = _zendFunction->num_args;
+#if PHP_VERSION_ID < 50400
+        _zendFunction->pass_rest_by_reference = 0;
         _zendFunction->return_reference = 0;
+#endif
         _zendFunction->handler = ZEND_FN(IcePHP_Operation_call);
     }
 
@@ -293,15 +299,16 @@ IcePHP::OperationI::getArgInfo(zend_arg_info& arg, const TypeInfoPtr& info, bool
     arg.name = 0;
     arg.class_name = 0;
     arg.allow_null = 1;
-    if(SequenceInfoPtr::dynamicCast(info) || DictionaryInfoPtr::dynamicCast(info))
-    {
-        arg.array_type_hint = 1;
-    }
-    else
-    {
-        arg.array_type_hint = 0;
-    }
+
+    const bool isArray = SequenceInfoPtr::dynamicCast(info) || DictionaryInfoPtr::dynamicCast(info);
+
+#if PHP_VERSION_ID < 50400
+    arg.array_type_hint = isArray ? 1 : 0;
     arg.return_reference = 0;
+#else
+    arg.type_hint = isArray ? IS_ARRAY : 0;
+#endif
+
     arg.pass_by_reference = out ? 1 : 0;
 }
 
diff --git a/php/src/IcePHP/Operation.h b/php/src/IcePHP/Operation.h
index a1bb0eb..265cd6f 100644
--- a/php/src/IcePHP/Operation.h
+++ b/php/src/IcePHP/Operation.h
@@ -20,9 +20,6 @@ extern "C"
 ZEND_FUNCTION(IcePHP_defineOperation);
 }
 
-#define ICEPHP_OPERATION_FUNCTIONS \
-    ZEND_FE(IcePHP_defineOperation,  NULL)
-
 namespace IcePHP
 {
 
diff --git a/php/src/IcePHP/Properties.cpp b/php/src/IcePHP/Properties.cpp
index 9e7a67a..2c91abe 100644
--- a/php/src/IcePHP/Properties.cpp
+++ b/php/src/IcePHP/Properties.cpp
@@ -493,7 +493,8 @@ handleFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<Ice::PropertiesPtr>* obj = static_cast<Wrapper<Ice::PropertiesPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 #ifdef _WIN32
@@ -589,11 +590,11 @@ ZEND_FUNCTION(Ice_createProperties)
 //
 // Predefined methods for Properties.
 //
-static function_entry _interfaceMethods[] =
+static zend_function_entry _interfaceMethods[] =
 {
     {0, 0, 0}
 };
-static function_entry _classMethods[] =
+static zend_function_entry _classMethods[] =
 {
     ZEND_ME(Ice_Properties, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_Properties, __toString, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/src/IcePHP/Properties.h b/php/src/IcePHP/Properties.h
index 797edb5..001e288 100644
--- a/php/src/IcePHP/Properties.h
+++ b/php/src/IcePHP/Properties.h
@@ -20,16 +20,6 @@ extern "C"
 ZEND_FUNCTION(Ice_createProperties);
 }
 
-#define ICEPHP_PROPERTIES_FUNCTIONS \
-    ZEND_FE(Ice_createProperties, NULL)
-
-#ifdef ICEPHP_USE_NAMESPACES
-#   define ICEPHP_PROPERTIES_NS_FUNCTIONS \
-    ZEND_NS_FALIAS("Ice", createProperties, Ice_createProperties, NULL)
-#else
-#   define ICEPHP_PROPERTIES_NS_FUNCTIONS
-#endif
-
 namespace IcePHP
 {
 
diff --git a/php/src/IcePHP/Proxy.cpp b/php/src/IcePHP/Proxy.cpp
index 6aa8d38..89952c4 100644
--- a/php/src/IcePHP/Proxy.cpp
+++ b/php/src/IcePHP/Proxy.cpp
@@ -59,7 +59,11 @@ extern "C"
 static zend_object_value handleAlloc(zend_class_entry* TSRMLS_DC);
 static void handleFreeStorage(void* TSRMLS_DC);
 static zend_object_value handleClone(zval* TSRMLS_DC);
+#if PHP_VERSION_ID < 50400
 static union _zend_function* handleGetMethod(zval**, char*, int TSRMLS_DC);
+#else
+static union _zend_function* handleGetMethod(zval**, char*, int, const _zend_literal* TSRMLS_DC);
+#endif
 static int handleCompare(zval*, zval* TSRMLS_DC);
 }
 
@@ -1418,7 +1422,8 @@ handleFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<ProxyPtr>* obj = static_cast<Wrapper<ProxyPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 #ifdef _WIN32
@@ -1461,7 +1466,11 @@ handleClone(zval* zv TSRMLS_DC)
 extern "C"
 #endif
 static union _zend_function*
+#if PHP_VERSION_ID < 50400
 handleGetMethod(zval** zv, char* method, int len TSRMLS_DC)
+#else
+handleGetMethod(zval** zv, char* method, int len, const _zend_literal* key TSRMLS_DC)
+#endif
 {
     zend_function* result;
 
@@ -1470,7 +1479,11 @@ handleGetMethod(zval** zv, char* method, int len TSRMLS_DC)
     // any of our predefined proxy methods. If it returns 0, then we return a
     // function that will check the class definition.
     //
+#if PHP_VERSION_ID < 50400
     result = zend_get_std_object_handlers()->get_method(zv, method, len TSRMLS_CC);
+#else
+    result = zend_get_std_object_handlers()->get_method(zv, method, len, key TSRMLS_CC);
+#endif
     if(!result)
     {
         Wrapper<ProxyPtr>* obj = Wrapper<ProxyPtr>::extract(*zv TSRMLS_CC);
@@ -1532,7 +1545,7 @@ handleCompare(zval* zobj1, zval* zobj2 TSRMLS_DC)
 //
 // Predefined methods for ObjectPrx.
 //
-static function_entry _proxyMethods[] =
+static zend_function_entry _proxyMethods[] =
 {
     ZEND_ME(Ice_ObjectPrx, __construct, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
     ZEND_ME(Ice_ObjectPrx, __toString, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/src/IcePHP/Types.cpp b/php/src/IcePHP/Types.cpp
index 464336f..6df610a 100644
--- a/php/src/IcePHP/Types.cpp
+++ b/php/src/IcePHP/Types.cpp
@@ -2405,7 +2405,8 @@ handleTypeInfoFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<TypeInfoPtr>* obj = static_cast<Wrapper<TypeInfoPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 static bool
@@ -2718,7 +2719,8 @@ handleExceptionInfoFreeStorage(void* p TSRMLS_DC)
 {
     Wrapper<ExceptionInfoPtr>* obj = static_cast<Wrapper<ExceptionInfoPtr>*>(p);
     delete obj->ptr;
-    zend_objects_free_object_storage(static_cast<zend_object*>(p) TSRMLS_CC);
+    zend_object_std_dtor(static_cast<zend_object*>(p) TSRMLS_CC);
+    efree(p);
 }
 
 
@@ -2853,7 +2855,7 @@ ZEND_FUNCTION(IcePHP_stringifyException)
 //
 // Predefined methods for IcePHP_TypeInfo.
 //
-static function_entry _typeInfoMethods[] =
+static zend_function_entry _typeInfoMethods[] =
 {
     {0, 0, 0}
 };
@@ -2861,7 +2863,7 @@ static function_entry _typeInfoMethods[] =
 //
 // Predefined methods for IcePHP_ExceptionInfo.
 //
-static function_entry _exceptionInfoMethods[] =
+static zend_function_entry _exceptionInfoMethods[] =
 {
     {0, 0, 0}
 };
diff --git a/php/src/IcePHP/Types.h b/php/src/IcePHP/Types.h
index 7a1352e..b21af72 100644
--- a/php/src/IcePHP/Types.h
+++ b/php/src/IcePHP/Types.h
@@ -33,18 +33,6 @@ ZEND_FUNCTION(IcePHP_stringify);
 ZEND_FUNCTION(IcePHP_stringifyException);
 }
 
-#define ICEPHP_TYPE_FUNCTIONS \
-    ZEND_FE(IcePHP_defineEnum,          NULL) \
-    ZEND_FE(IcePHP_defineStruct,        NULL) \
-    ZEND_FE(IcePHP_defineSequence,      NULL) \
-    ZEND_FE(IcePHP_defineDictionary,    NULL) \
-    ZEND_FE(IcePHP_defineProxy,         NULL) \
-    ZEND_FE(IcePHP_declareClass,        NULL) \
-    ZEND_FE(IcePHP_defineClass,         NULL) \
-    ZEND_FE(IcePHP_defineException,     NULL) \
-    ZEND_FE(IcePHP_stringify,           NULL) \
-    ZEND_FE(IcePHP_stringifyException,  NULL)
-
 namespace IcePHP
 {
 
diff --git a/php/src/IcePHP/Util.cpp b/php/src/IcePHP/Util.cpp
index 27abfb5..ef5f371 100644
--- a/php/src/IcePHP/Util.cpp
+++ b/php/src/IcePHP/Util.cpp
@@ -17,6 +17,7 @@ using namespace std;
 using namespace IcePHP;
 using namespace Slice::PHP;
 
+#if PHP_VERSION_ID < 50400
 #ifdef _WIN32
 extern "C"
 #endif
@@ -25,20 +26,25 @@ dtor_wrapper(void* p)
 {
     zval_ptr_dtor(static_cast<zval**>(p));
 }
+#endif
 
 void*
 IcePHP::createWrapper(zend_class_entry* ce, size_t sz TSRMLS_DC)
 {
     zend_object* obj;
-    zval* tmp;
 
     obj = static_cast<zend_object*>(emalloc(sz));
-    obj->ce = ce;
-    obj->guards = 0;
 
+    zend_object_std_init(obj, ce TSRMLS_CC);
+
+#if PHP_VERSION_ID < 50400
+    zval* tmp;
     obj->properties = static_cast<HashTable*>(emalloc(sizeof(HashTable)));
     zend_hash_init(obj->properties, 0, 0, dtor_wrapper, 0);
     zend_hash_copy(obj->properties, &ce->default_properties, (copy_ctor_func_t)zval_add_ref, &tmp, sizeof(zval*));
+#else
+    object_properties_init(obj, ce);
+#endif
 
     return obj;
 }
diff --git a/php/src/IcePHP/Util.h b/php/src/IcePHP/Util.h
index fbe4756..925c0ea 100644
--- a/php/src/IcePHP/Util.h
+++ b/php/src/IcePHP/Util.h
@@ -22,20 +22,6 @@ ZEND_FUNCTION(Ice_intVersion);
 ZEND_FUNCTION(Ice_generateUUID);
 }
 
-#define ICEPHP_UTIL_FUNCTIONS \
-    ZEND_FE(Ice_stringVersion, NULL) \
-    ZEND_FE(Ice_intVersion, NULL) \
-    ZEND_FE(Ice_generateUUID, NULL)
-
-#ifdef ICEPHP_USE_NAMESPACES
-#   define ICEPHP_UTIL_NS_FUNCTIONS \
-    ZEND_NS_FALIAS("Ice", stringVersion, Ice_stringVersion, NULL) \
-    ZEND_NS_FALIAS("Ice", intVersion, Ice_intVersion, NULL) \
-    ZEND_NS_FALIAS("Ice", generateUUID, Ice_generateUUID, NULL)
-#else
-#   define ICEPHP_UTIL_NS_FUNCTIONS
-#endif
-
 namespace IcePHP
 {
 
diff --git a/php/test/Ice/binding/Client.php b/php/test/Ice/binding/Client.php
index 1a36376..e4fcc58 100644
--- a/php/test/Ice/binding/Client.php
+++ b/php/test/Ice/binding/Client.php
@@ -525,7 +525,7 @@ function allTests($communicator)
     $com->shutdown();
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 allTests($communicator);
 $communicator->destroy();
 exit();
diff --git a/php/test/Ice/checksum/Client.php b/php/test/Ice/checksum/Client.php
index 2de5055..4b514a8 100755
--- a/php/test/Ice/checksum/Client.php
+++ b/php/test/Ice/checksum/Client.php
@@ -88,7 +88,7 @@ function allTests($communicator)
     return $checksum;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $checksum = allTests($communicator);
 $checksum->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/exceptions/Client.php b/php/test/Ice/exceptions/Client.php
index f587cb4..543d5c9 100644
--- a/php/test/Ice/exceptions/Client.php
+++ b/php/test/Ice/exceptions/Client.php
@@ -378,7 +378,7 @@ function allTests($communicator)
     return $thrower;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $thrower = allTests($communicator);
 $thrower->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/facets/Client.php b/php/test/Ice/facets/Client.php
index 00a16dc..6fcdb60 100644
--- a/php/test/Ice/facets/Client.php
+++ b/php/test/Ice/facets/Client.php
@@ -89,7 +89,7 @@ function allTests($communicator)
     return $gf;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $g = allTests($communicator);
 $g->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/info/Client.php b/php/test/Ice/info/Client.php
index 719de4a..4679f1e 100644
--- a/php/test/Ice/info/Client.php
+++ b/php/test/Ice/info/Client.php
@@ -129,7 +129,7 @@ function allTests($communicator)
     return $testIntf;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $server = allTests($communicator);
 $server->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/inheritance/Client.php b/php/test/Ice/inheritance/Client.php
index e3d9423..a086e24 100644
--- a/php/test/Ice/inheritance/Client.php
+++ b/php/test/Ice/inheritance/Client.php
@@ -236,7 +236,7 @@ function allTests($communicator)
     return $initial;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $initial = allTests($communicator);
 $initial->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/objects/Client.php b/php/test/Ice/objects/Client.php
index 68b517d..e4589fd 100644
--- a/php/test/Ice/objects/Client.php
+++ b/php/test/Ice/objects/Client.php
@@ -391,7 +391,7 @@ function allTests($communicator)
     return $initial;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $factory = new MyObjectFactory();
 $communicator->addObjectFactory($factory, "::Test::B");
 $communicator->addObjectFactory($factory, "::Test::C");
diff --git a/php/test/Ice/operations/Client.php b/php/test/Ice/operations/Client.php
index 90d73a8..6dc88f2 100644
--- a/php/test/Ice/operations/Client.php
+++ b/php/test/Ice/operations/Client.php
@@ -484,7 +484,7 @@ function allTests($communicator)
     return $cl;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 
 $myClass = allTests($communicator);
 
diff --git a/php/test/Ice/proxy/Client.php b/php/test/Ice/proxy/Client.php
index bb4df33..bb9b104 100644
--- a/php/test/Ice/proxy/Client.php
+++ b/php/test/Ice/proxy/Client.php
@@ -722,7 +722,7 @@ function allTests($communicator)
     return $cl;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $myClass = allTests($communicator);
 $myClass->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/slicing/exceptions/Client.php b/php/test/Ice/slicing/exceptions/Client.php
index 5c671f6..ff114ac 100644
--- a/php/test/Ice/slicing/exceptions/Client.php
+++ b/php/test/Ice/slicing/exceptions/Client.php
@@ -315,7 +315,7 @@ function allTests($communicator)
     return $test;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $test = allTests($communicator);
 $test->shutdown();
 $communicator->destroy();
diff --git a/php/test/Ice/slicing/objects/Client.php b/php/test/Ice/slicing/objects/Client.php
index 6b96933..55d5ac1 100644
--- a/php/test/Ice/slicing/objects/Client.php
+++ b/php/test/Ice/slicing/objects/Client.php
@@ -830,7 +830,7 @@ function allTests($communicator)
     return $test;
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 $test = allTests($communicator);
 $test->shutdown();
 $communicator->destroy();
diff --git a/php/test/Slice/keyword/Client.php b/php/test/Slice/keyword/Client.php
index a88749f..b048543 100644
--- a/php/test/Slice/keyword/Client.php
+++ b/php/test/Slice/keyword/Client.php
@@ -96,7 +96,7 @@ function allTests($communicator)
     echo "ok\n";
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 allTests($communicator);
 $communicator->destroy();
 
diff --git a/php/test/Slice/structure/Client.php b/php/test/Slice/structure/Client.php
index 8cb1c03..0c73fae 100644
--- a/php/test/Slice/structure/Client.php
+++ b/php/test/Slice/structure/Client.php
@@ -225,7 +225,7 @@ function allTests($communicator)
     echo "ok\n";
 }
 
-$communicator = Ice_initialize(&$argv);
+$communicator = Ice_initialize($argv);
 allTests($communicator);
 $communicator->destroy();