如何在数组中添加html标签？

Question

您好，有人知道如何在下面的数组中插入标签html标签？

<label><input type="checkbox" name="mc4wp-try-subscribe" value="1" checked/> newsletter </label>

---

// Our hooked in function - $fields is passed via the filter!
function custom_override_checkout_fields( $fields ) {
     $fields['shipping']['shipping_phone'] = array(
        'label'     => __('Phone', 'woocommerce'),
    'placeholder'   => _x('Phone', 'placeholder', 'woocommerce'),
    'required'  => false,
    'class'     => array('form-row-wide'),
    'clear'     => true
     );

     return $fields;
}