Extract path from multidimensional (threaded) array

Array
(
[0] => Array
(
[Aco] => Array
(
[alias] => controllers
)

[children] => Array
(
[0] => Array
(
[Aco] => Array
[alias] => Actions

)

[children] => Array
(
[0] => Array
(
[Aco] => Array
[alias] => admin_index
)
)

[1] => Array
(
[Aco] => Array
(
[alias] => admin_edit
)
)

[2] => Array
(
[Aco] => Array
(
[alias] => admin_inline
)
)

)

)

[1] => Array
(
[Aco] => Array
(
[alias] => Agents
)

[children] => Array
(
[0] => Array
(
[Aco] => Array
(
[alias] => register
)
)

[1] => Array
(
[Aco] => Array
(
[alias] => admin_verify
)
)

[2] => Array
(
[Aco] => Array
(
[alias] => admin_index
)
)
)

)

[2] => Array
(
[Aco] => Array
(
[alias] => Applications
)

[children] => Array
(
[0] => Array
(
[Aco] => Array
(
[alias] => pension
)

)

)

)

[3] => Array
(
[Aco] => Array
(
[alias] => AclManager
)

[children] => Array
(
[0] => Array
(
[Aco] => Array
(
[alias] => Acl
)

[children] => Array
(
[0] => Array
(
[Aco] => Array
(
[alias] => admin_drop
)
)

[1] => Array
(
[Aco] => Array
(
[alias] => admin_drop_perms
)
)
)

)

)

)

)

)

)
Hi

I am not sure if this is directly related to cake. But I think the Hash class could do the job. I have already fiddled around with it, but with no success :(

I would like to transform a multidimensional array to a path syntax in a most simple way. Please look at the example "input array" attached as a txt-file.

The resulting "flat" array should look like this:

Array (
        [0] => controllers
        [1] => controllers/Actions
        [2] => controllers/Actions/admin_index
        [3] => controllers/Actions/admin_edit
        [4] => controllers/Actions/admin_inline
        [5] => controllers/Agents
        [6] => controllers/Agents/register
        [7] => controllers/Agents/admin_verify
        [8] => controllers/Agents/admin_index
        [9] => controllers/Applications
        [10] => controllers/Applications/pension
        [11] => controllers/AclManager
        [12] => controllers/AclManager/Acl
        [13] => controllers/AclManager/Acl/admin_drop
        [14] => controllers/AclManager/Acl/admin_drop_perms
    )

The input array could have many "children" - it is not predictable how  deep the array actually is.

I am sure this could be achieved with a single line of code, but I don't know how. You?

Thank you very much,
Frank

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