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PHP 手册
函数参考
变量与类型相关扩展
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类/对象的信息
简介
安装/配置
需求
安装
运行时配置
资源类型
预定义常量
示例
类/对象 函数
__autoload
— 尝试加载未定义的类
class_alias
— 为类创建别名
class_exists
— 查类是否已经定义
enum_exists
— 检测是否定义对应的枚举
get_called_class
— 后期静态绑定("Late Static Binding")类的名称
get_class_methods
— 返回由类的方法名组成的数组
get_class_vars
— 获取类的默认属性
get_class
— 返回对象的类名
get_declared_classes
— 返回由已定义类的名字所组成的数组
get_declared_interfaces
— 返回一个数组包含所有已声明的接口
get_declared_traits
— 返回所有已定义的 traits 的数组
get_mangled_object_vars
— 返回将对象属性混在一起的数组
get_object_vars
— 获取指定对象的属性
get_parent_class
— 检索对象或者类的父级类名
interface_exists
— 检查接口是否已被定义
is_a
— 检查对象是否属于一个给定的类型或子类型。
is_subclass_of
— 检查对象是否继承或者实现(implement)此类
method_exists
— 检查类的方法是否存在
property_exists
— 检查对象或类是否具有该属性
trait_exists
— 检查指定的 trait 是否存在
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