Copying taxonomy term to custom field

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I have a custom post type called “listing”, and a custom taxonomy called “listing_state”.

I’m using formidable to create posts. What I am trying to do is have two things happen when a user selects a state from the taxonomy drop down.

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First, to set the taxonomy, which is what happens now. But then at the same time, also have this selected state get copied to a custom field called “state”.

The end result should be a listing that is classified by state, but that also holds that state name in a custom field as well.

Any ideas? Thanks in advance for any help.

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  1. Try hooking into ‘save_post’ action:

    add_action( 'save_post', 'your_state_term_save' );

function your_state_term_save( $post_id ){

    // Bail if we're doing an auto save
    if( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;

    //check if they selected your state term
    $state = isset($_POST['tax_input_field_name']) ? $_POST['tax_input_field_name'] : ''; //make sure of what the input name is here...

    //insert post meta
    update_post_meta($post_id,'state',$state);
}

    This works by waiting till the post is saved and grabbing the taxonomy term right out of the $_POST vairable.