Fix version compatibility of zend_class and zend_objecct.

Author: jmjoy

phper-sys/php_wrapper.c

@@ -135,5 +135,15 @@ size_t phper_zend_object_properties_size(zend_class_entry *ce) {
 }
 
 void *phper_zend_object_alloc(size_t obj_size, zend_class_entry *ce) {
+    #if PHP_VERSION_ID >= 70300
     return zend_object_alloc(obj_size, ce);
+    #else
+    void *obj = emalloc(obj_size + zend_object_properties_size(ce));
+    memset(obj, 0, obj_size - sizeof(zval));
+    return obj;
+    #endif
+}
+
+zend_object* (**phper_get_create_object(zend_class_entry *ce))(zend_class_entry *class_type) {
+    return &ce->create_object;
 }

phper-sys/php_wrapper.h

@@ -48,4 +48,6 @@ size_t phper_zend_object_properties_size(zend_class_entry *ce);
 
 void *phper_zend_object_alloc(size_t obj_size, zend_class_entry *ce);
 
+zend_object* (**phper_get_create_object(zend_class_entry *ce))(zend_class_entry *class_type);
+
 #endif //PHPER_PHP_WRAPPER_H

phper/src/classes.rs

@@ -186,14 +186,11 @@ impl<T: 'static> ClassEntry<T> {
         &mut self.inner
     }
 
-    pub fn create_object(&self) -> EBox<Object<T>> {
+    pub fn new_object(&self) -> EBox<Object<T>> {
         unsafe {
-            let f = self
-                .inner
-                .__bindgen_anon_2
-                .create_object
-                .unwrap_or(zend_objects_new);
-            let object = f(self.as_ptr() as *mut _);
+            let ptr = self.as_ptr() as *mut _;
+            let f = (*phper_get_create_object(ptr)).unwrap_or(zend_objects_new);
+            let object = f(ptr);
             EBox::from_raw(object.cast())
         }
     }
@@ -249,7 +246,7 @@ impl ClassEntity {
         };
         self.entry.store(class.cast(), Ordering::SeqCst);
 
-        (*class).inner.__bindgen_anon_2.create_object = Some(create_object);
+        *phper_get_create_object(class.cast()) = Some(create_object);
 
         get_registered_class_type_map().insert(class as usize, self.classifiable.state_type_id());
 

phper/src/objects.rs

@@ -26,7 +26,7 @@ pub struct Object<T: 'static> {
 
 impl<T: 'static> Object<T> {
     pub fn new(class_entry: &ClassEntry<T>) -> EBox<Self> {
-        class_entry.create_object()
+        class_entry.new_object()
     }
 
     pub fn new_by_class_name(class_name: impl AsRef<str>) -> crate::Result<EBox<Self>> {