PHP Zend framework - Many layer menu

In my application, i want to make a dynamic multi layer menu like this

Toy1

==>Sub toy1-a

==>Sub toy1-b

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Toy2

==>Sub toy2-a

==>Sub toy2-b

Toy3

==Sub toy3-a

I have created 2 table in database called parent-Menu contain Toy1,Toy2,Toy3 and sub-Menu contain Sub toy1-a, Sub toy1-b and their father which it belongs. I don't know how to retrieve database or algorithm to make this. Anybody have solution ?

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I can recommend you to use only one table, it will make your program very eaisy.

take 3 field *menu_id* , *menu_text* , *parent_id* for all top menu take parent id 1. now do the following work,

Retrieve all data from the table.

And use the recursive function to the place the menu.