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REST API Can’t update `null` value on nested field group

  • Hello,
    I have an issue that i can’t update my field (number) value to null when it’s placed on a nested group.

    It’s works fine if the field placed as a root field. But when i placed it to a nested group, the previous value won’t change.

    This is how my field group looks like

    • Sections (Group)

      • Section One (Group)

        • Offset (Group)

          • Top (Number)

    How To Reproduce
    – Create a field group with this structure:

    
[
    {
        "key": "group_64c5c90bc6005",
        "title": "Test Post Fields",
        "fields": [
            {
                "key": "field_64c5ca1e7f880",
                "label": "Sections",
                "name": "sections",
                "aria-label": "",
                "type": "group",
                "instructions": "",
                "required": 0,
                "conditional_logic": 0,
                "wrapper": {
                    "width": "",
                    "class": "",
                    "id": ""
                },
                "acfe_save_meta": 0,
                "layout": "block",
                "acfe_seamless_style": 0,
                "acfe_group_modal": 0,
                "acfe_settings": "",
                "acfe_permissions": "",
                "sub_fields": [
                    {
                        "key": "field_64c5ca317f881",
                        "label": "Section One",
                        "name": "section_one",
                        "aria-label": "",
                        "type": "group",
                        "instructions": "",
                        "required": 0,
                        "conditional_logic": 0,
                        "wrapper": {
                            "width": "",
                            "class": "",
                            "id": ""
                        },
                        "acfe_save_meta": 0,
                        "layout": "block",
                        "acfe_seamless_style": 0,
                        "acfe_group_modal": 0,
                        "acfe_settings": "",
                        "sub_fields": [
                            {
                                "key": "field_64c5ca3e7f882",
                                "label": "Offset",
                                "name": "offset",
                                "aria-label": "",
                                "type": "group",
                                "instructions": "",
                                "required": 0,
                                "conditional_logic": 0,
                                "wrapper": {
                                    "width": "",
                                    "class": "",
                                    "id": ""
                                },
                                "acfe_save_meta": 0,
                                "layout": "block",
                                "acfe_seamless_style": 0,
                                "acfe_group_modal": 0,
                                "acfe_settings": "",
                                "sub_fields": [
                                    {
                                        "key": "field_64c5ca527f883",
                                        "label": "Top",
                                        "name": "top",
                                        "aria-label": "",
                                        "type": "number",
                                        "instructions": "",
                                        "required": 0,
                                        "conditional_logic": 0,
                                        "wrapper": {
                                            "width": "",
                                            "class": "",
                                            "id": ""
                                        },
                                        "acfe_save_meta": 0,
                                        "default_value": "",
                                        "acfe_settings": "",
                                        "acfe_validate": "",
                                        "min": "",
                                        "max": "",
                                        "placeholder": "",
                                        "step": "",
                                        "prepend": "",
                                        "append": ""
                                    }
                                ],
                                "acfe_group_modal_close": 0,
                                "acfe_group_modal_button": "",
                                "acfe_group_modal_size": "large"
                            }
                        ],
                        "acfe_group_modal_close": 0,
                        "acfe_group_modal_button": "",
                        "acfe_group_modal_size": "large"
                    }
                ],
                "acfe_group_modal_close": 0,
                "acfe_group_modal_button": "",
                "acfe_group_modal_size": "large"
            }
        ],
        "location": [
            [
                {
                    "param": "post_type",
                    "operator": "==",
                    "value": "post"
                }
            ]
        ],
        "menu_order": 0,
        "position": "normal",
        "style": "default",
        "label_placement": "left",
        "instruction_placement": "label",
        "hide_on_screen": "",
        "active": true,
        "description": "",
        "show_in_rest": 1,
        "acfe_display_title": "",
        "acfe_autosync": "",
        "acfe_permissions": "",
        "acfe_form": 1,
        "acfe_meta": "",
        "acfe_note": ""
    }
]

    – Update value via REST API (using postman or similar tools)
    METHOD: PUT
    ENDPOINT: /posts
    BODY:

    
{
    "acf" : {
        "sections": {
            "section_one": {
                "offset": {
                    "top": 100
                }
            }
        }
    }
}

    – Check the current value, then you will see the value is 100
    – Then try to update the value again with this request body

    
{
    "acf" : {
        "sections": {
            "section_one": {
                "offset": {
                    "top": null
                }
            }
        }
    }
}

    – Check current value, then you will see the value still 100

    I Hope that’s clear enough.

    Thank you

  • I’ve got the same problem.
    What is the status of this bug?

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