// 调用原始的构造函数            original_constructor.call(this, arguments)?;            // 可以在这里添加后续逻辑            println!("Finished executing original PDO::__construct");            Ok(())        });    } else {        eprintln!("Failed to get PDO::__construct method.");    }} else {    eprintln!("PDO class not found.");}

module.on_module_init(|| {    // 查找 PDO 类    let pdo_class = ClassEntry::from_globals("PDO").unwrap();    // 获取 PDO 类的 zend_class_entry    unsafe {        let pdo_class_entry_ptr = pdo_class.as_ptr() as *mut sys::zend_class_entry;        // 检查指针是否为空        if !pdo_class_entry_ptr.is_null() {            // 打印类名            let class_name = CStr::from_ptr((*pdo_class_entry_ptr).name as *const i8)                .to_str()                .unwrap_or("Unknown class");            println!("Found class: {}", class_name);            // 保存原始的构造函数            let original_construct = (*pdo_class_entry_ptr).constructor;            if !original_construct.is_null() {                // 保存原始构造函数指针到全局静态变量中                ORIGINAL_PDO_CONSTRUCT = Some(std::mem::transmute((*original_construct).internal_function.handler));                // 替换构造函数的 handler 为自定义的构造函数                (*original_construct).internal_function.handler = Some(my_custom_pdo_construct);                println!("PDO::__construct has been replaced.");            } else {                panic!("Original PDO constructor not found.");            }        } else {            panic!("PDO class entry pointer is null.");        }    }});module