如何从PHP扩展克隆对象

I am trying to implement the prototype design pattern in my extension. How can I clone an object from an zval*. Is there a zend function equivalent to the userland clone operator?

我正在尝试在我的扩展中实现原型设计模式。如何从zval *克隆对象？是否有与用户态克隆运算符等效的zend函数？

Update

更新

I wrote the following function for cloning an object. Not sure if there is a better way.

我编写了以下用于克隆对象的函数。不确定是否有更好的方法。

/**
 * Clones an object from src to dest
 */
static int php_custom_clone(zval *src, zval *dest TSRMLS_DC) {
    zend_class_entry *ce;
    zend_object_clone_obj_t clone_call;

    ce = Z_OBJCE_P(src);
    clone_call =  Z_OBJ_HT_P(src)->clone_obj;

    if (!clone_call) {
        if (ce) {
            zend_throw_exception_ex(Custom_Exception_ce_ptr, 0 TSRMLS_CC, "Trying to clone an uncloneable object of class %s", ce->name);
        } else {
            zend_throw_exception_ex(Custom_Exception_ce_ptr, 0 TSRMLS_CC, "Trying to clone an uncloneable object");
        }
    } else {
        if (!EG(exception)) {
            Z_OBJVAL_P(dest) = clone_call(src TSRMLS_CC);
            Z_TYPE_P(dest) = IS_OBJECT;
            Z_SET_REFCOUNT_P(dest, 1);
            // Z_SET_ISREF_P(dest);
            if (EG(exception)) {
                zval_ptr_dtor(&dest);
            } else {
                return 1;
            }
        }
    }
    return 0;
}

1 个解决方案

#1

Generic clone method...

通用克隆方法......

zend_object_value val =  zend_objects_clone_obj(zval *zobject TSRMLS_DC);