[wp_ajax_nopriv_acf/fields/select/query]
WP_Hook Object
(
    [callbacks] => Array
        (
            [10] => Array
                (
                    [00000000290a687600000000763873efajax_query] => Array
                        (
                            [function] => Array
                                (
                                    [0] => acf_field_select Object
                                        (
                                            [name] => select
                                            [title] => 
                                            [category] => choice
                                            [defaults] => Array
                                                (
                                                    [multiple] => 0
                                                    [allow_null] => 0
                                                    [choices] => Array
                                                        (
                                                        )

                                                    [default_value] => 
                                                    [ui] => 0
                                                    [ajax] => 0
                                                    [placeholder] => 
                                                    [disabled] => 0
                                                    [readonly] => 0
                                                )

                                            [l10n] => 
                                            [label] => Select
                                        )

                                    [1] => ajax_query
                                )

                            [accepted_args] => 1
                        )

                )

        )

    [iterations:WP_Hook:private] => Array
        (
        )

    [current_priority:WP_Hook:private] => Array
        (
        )

    [nesting_level:WP_Hook:private] => 0
    [doing_action:WP_Hook:private] => 
)