Cakephp会话破坏

Question

如何销毁会话变量？我想要在旅途会话变量中销毁除TripVic之外的所有内容。以下是输出。

谢谢。

Array 
(
    [0] => Array 
     (
      [TripVic] => Array 
       (
        [id] => 562 
        [date] => 1311043156 
        [distance_travelled] => 0 
        [driving_time] => 3 
        [start_time] => 1311043156 
        [end_time] => 1311043160 
        [duration] => 3 
        [night_driving_time] => 0 
        [odometer_start] => 1 
        [odometer_finish] => 1 
        [condition_road_freeway] => 1 
        [condition_road_gravel] => 1 
        [condition_road_inner_city] => 1 
        [condition_road_main] => 1 
        [condition_road_other_rural] => 1 
        [condition_road_residential] => 1 
        [condition_road_rural_highway] => 1 
        [condition_traffic_heavy] => 1 
        [condition_traffic_light] => 1 
        [condition_traffic_moderate] => 1 
        [condition_weather_dry] => 1 
        [condition_weather_wet] => 1 
        [condition_light_day] => 1 
        [condition_light_dusk] => 1 
        [condition_light_night] => 1 
        [user_id] => 292 
        [car_id] => 525 
        [instructor_id] => 436 
        [stationary_flag] => 0 
        [supervisor_signature] => 2921311043150.jpeg 
        [total_time_remaining] => 0 
        [total_time_driven] => 0 
        [total_night_time_driven] => 0 
        [total_day_time_driven] => 0 
        [total_distance] => 0 
        [total_day_driving_at_this_trip] => 130 
        [total_night_driving_at_this_trip] => 92 
        [total_time_driven_at_this_trip] => 222 
        [total_time_remaining_at_this_trip] => 431777 
        [total_distance_driven_at_this_trip] => 0 
       ) 

      [User] => Array 
       (
        [id] => 292 
        [email] => haibin@vic.com 
        [password] => 82e62b2902c6eae80cb914c32b03c5c61b8f37f5 
        [name] => haibin 
        [licence] => 123 
        [phone] => 
        [suburb] => vic 
        [state_id] => 1 
        [group_id] => 2 
        [qualified_seconds] => 0 
        [created] => 2011-07-06 16:29:47 
        [modified] => 2011-07-06 16:29:47 
       ) 

      [Car] => Array 
       (
        [id] => 525 
        [nick_name] => Car 
        [licence] => REG 
        [is_default] => 1 
        [user_id] => 292 
       ) 

      [Instructor] => Array 
       (
        [id] => 436 
        [name] => Super 
        [licence] => 123456 
        [is_default] => 1 
        [is_qualified] => 1 
        [driving_school] => School 
        [user_id] => 292 
        [state_id] => 1 
       ) 

      [TripVicCoords] => Array 
       (
       ) 

     ) 

如何在CakePHP中执行此操作？

Answer 1

我想你想 “删除”，而不是 “破坏”，因为破坏将清除一切：

$this->Session->delete([what you want to delete]); 

http://book.cakephp.org/view/402/delete