gistfile1.txt

<select
                        ng-model="select2"
                        ng-options="list as list.label  for list in list2"
                        class="form-control"
                        ></select>
                    
                    <set-select-default list-array="list2"
                                        list-key="num"
                                        model-name="select2"
                                        default-value="<?php echo $SCT->expiry_unit ?>">
                    </set-select-default>

                    <input hidden name="expiry_unit" value="@{{select2.num}}">