Maximum amount for multiple select for the "taxonomy advanced"-field - Meta Box

This topic has 1 reply, 2 voices, and was last updated 3 years, 2 months ago by Long Nguyen.

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September 6, 2021 at 5:15 PM #30623

Andreas Wundersee
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I use the "taxonomy advanced"-field in a frontend form to select topics for blog entries. People could select multiple categories - so far everything works well - but I need a maximum amount for the selection. I couldn't find the possibility in the documentation for the "taxonomy advanced"-field. Is it possible to limit the number to three?

Thanks for your support,
Andi

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September 6, 2021 at 9:56 PM #30636
Long Nguyen
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Hi Andreas,

You can allow the user to select one category per input box. Then enable the cloneable setting and set the max_clone setting to 3. Here is the sample code:
```
[
    'name'           => __( 'Taxonomy', 'your-text-domain' ),
    'id'             => $prefix . 'taxonomy_rbgrdv9a23p',
    'type'           => 'taxonomy_advanced',
    'taxonomy'       => ['category'],
    'field_type'     => 'select_advanced',
    'clone'          => true,
    'max_clone'      => 3,
],
```
Read more on this documentation https://docs.metabox.io/cloning-fields/

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