catId1 | catId2 | catId3
---------------|----------------|---------------
option | count | option | count | option | count
<select name="catId1[option]">
<option value="1">1</option>
<option value="2">2</option>
</select>
<input type="text" name="catId1[value]">
[
catId1 => [option=> 3, value='петя'],
catId2 => [option=> 2, value='Бумбум'],
catId3 => [option=> 1, value='19'],
]