[开发测试]PHP函数get_class

get_class返回对象实例的类名称

/**
 * Returns the name of the class of an object
 * @link https://php.net/manual/en/function.get-class.php
 * @param object $object [optional] <p>
 * The tested object. This parameter may be omitted when inside a class.
 * </p>
 * @return string|false <p>The name of the class of which <i>object</i> is an
 * instance. Returns false if <i>object</i> is not an
 * object.
 * </p>
 * <p>
 * If <i>object</i> is omitted when inside a class, the
 * name of that class is returned.
 */
function get_class ($object = null) {}

示例：

class Animal{
    public function eat()
    {
        return 'eat';
    }
}

$animal = new Animal();

var_dump(get_class($animal));//string(6) "Animal"