fixed check 11a to allow 2 dimensions array.

Signed-off-by: HUY PHAM <huypham612@gmail.com>
finished 11b.

Signed-off-by: HUY PHAM <huypham612@gmail.com>
almost finished 12a. Need to do ptr now.

Signed-off-by: HUY PHAM <huypham612@gmail.com>
finished 12a.  Added ptr.

Signed-off-by: HUY PHAM <huypham612@gmail.com>
check 12b: finished foreach. Need to do while now.

Signed-off-by: HUY PHAM <huypham612@gmail.com>
finished 12b.

Signed-off-by: HUY PHAM <huypham612@gmail.com>