php - How to Create a Select Filter for Parent and Child Categories -


i have wordpress category structure:

  • state 1
    • city name
    • city name
    • city name
  • state 2
    • city name
    • city name
    • city name

what need 2 selects works this: in first one, parent categories appear, in case states only, e. g. state 1 , state 2.

when 1 state selected next/second select should list children of selected parent, in above example city names.

example: when select new york (state) second select show new york cities. then, press search , should go http://mywebsite.com/state-selected/city/selected.

it works me now:

i used plugin: http://appelsiini.net/projects/chained. can see example, it's perfect.

then used get_categories( $args ) twice, each 1 inside 1 select element.

the first one, searching per parents , putting them options inside loop.

the second filtering children , putting them inside options well.

so, used chained jquery plugin!


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