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I've created a Custom Post Type and a Custom Taxonomy.

In WP Admin, how can I limit amount of taxonomy terms that are added to the custom post type? I want to add no more than one tag into the post. After adding one tag, adding more should be disabled or a message should appear.

Any help appreciated much.

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You can do it with jQuery with easyly. Count your tags and limit it!

  1. C = Re item's number
  2. L = Your limit number
  3. if ( C==L ) add class "disable" to div
$(document).ready(function(){
    var L = 10;
    var $items = $('#post_tag .tagchecklist span');
    if($items.length == L){
        $("#post_tag").addClass("disable"); // or alert("ok")
    }
});
  • This is not working. Added to the admin_enqueue_scripts action, code is loading properly in WP Admin, but I still can add more than one tag. – SLH Nov 7 '14 at 15:31
  • 1
    Also changed $ to jQuery to avoid conflict. – SLH Nov 7 '14 at 15:39
  • This will also not work because you can add more tags separated by commas. – SLH Nov 7 '14 at 23:09
  • You can add same limit for commas. – Fatih SARI Nov 8 '14 at 9:50

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