Custom Fields
Support General Proper way to clone a custom field

This topic contains 2 replies, has 2 voices, and was last updated by  Bruno Faúndez Valenzuela 4 weeks ago.

  • Creator
  • #14999
    Bruno Faúndez Valenzuela

    Hi. I created a Custom Field Type to add service IDs to Hotels (which is a CPT). I defined the field type as: tb-service-id. Then I add this field to the corresponding metabox. I’ve set:

    'clone' => true

    and the button to clone the field appears, but the field is generated with the same ID as the other one:


    In the html mehod of the Custom Field Type I create a select and set the ID to the variable: $field[‘id’] which gives the value: ‘_hotel_tb_service_id[0]’.

    Any help would be much appreciated

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  • Author
  • #15009

    Anh Tran

    Hi Bruno,

    Please try to set a custom CSS class for the inputs which starts with rwmb. See here to understand how the clone works.


    Thank you so much! It worked perfectly!
    It would be good to see a comment about the relation of the css class and the “cloneability” of the field in the documentation of the RWMB_Field Class.

    Have a great day 🙂

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