Hi,
Oddly enough Cake doesn't seem to understand that it should make an
entry in the join table for HABTM related models when the foreign key
isn't supplied from a multi select field...
Let me try and explain that :)
Say you are creating a new Item which belongs to one or many Persons,
you will need a select tag with the name "Person/Person". However it
seems this needs to be a select tag with multiple selection enabled.
This is so that the form generates the following:
Array
(
[Item] => Array
(
[field] => Value
)
[Person] => Array
(
[Person] => Array
(
[0] => 1
)
)
)
In other words you can't use a normal select tag, as this will
generate:
[Person] => Array
(
[Person] => 1
)
As the value of person isn't an array here, Cake won't pick it up and
won't make an entry in the join table.
I haven't found a solution for this yet, I'm assuming that I'm either
missing something or that I'm going to have to do some ugly hack in
the controller's add/edit functions to turn the value into an array.
Simon
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