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Validation of date field - same as another date field within a group

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  • September 11, 2024 at 1:17 PM #46411
    FredrikFredrik
    Participant

    How can I make a date field in a Custom Post validate so that it is required to be equal to another date field that's within a group? What do I type into the field value box for the grouped date picker?

    September 11, 2024 at 11:04 PM #46424
    PeterPeter
    Moderator

    Hello Fredrik,

    With PHP code, you can use the filter hook rwmb_after_save_field to validate the field value.
    https://docs.metabox.io/actions/rwmb-after-save-field/

    With Javascript code, you need to create a custom code to check the two field values. Meta Box only supports validating for a single field with code. Refer documentation
    https://docs.metabox.io/validation/

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