_nicename = __( 'Multi-Select', 'ninja-forms' ); } public function admin_form_element( $id, $value ) { $field = Ninja_Forms()->form()->get_field( $id ); $options = ''; foreach( $field->get_setting( 'options' ) as $option ){ $selected = ( in_array( $option[ 'value' ], $value ) ) ? "selected" : ''; $options .= "{$option[ 'label' ]}"; } return "$options"; } }