Add Select Field To Donation Form

/**

 * Add a select field to the donation form.

 *

 * Fields are added as a PHP array that define the field.

 *

 * This snippet only works in Charitable 1.5 or above.

 *

 * Related examples:

 *

 * @see Register a text field (detailed example) - https://github.com/Charitable/library/blob/master/donation-form/register-new-donation-field-1.5.php

 * @see Register a checkbox field - https://github.com/Charitable/library/blob/master/donation-form/add-checkbox-field-to-donation-form.php

 * @see Register multiple fields - https://github.com/Charitable/library/blob/master/donation-form/register-multiple-donation-fields.php

 * @see The old way to add select fields - https://github.com/Charitable/library/blob/master/donation-form/legacy/add-select-field-to-donation-form.php

 */

function ed_charitable_register_new_select_field() {

    /**

     * Set up the options that people can choose from in the select field.

     */

    $options = array(

        'yes' => __( 'Yes', 'custom-namespace' ),

        'no'  => __( 'No', 'custom-namespace' ),

    );

    /**

     * Define a new select field.

     */

    $field = new Charitable_Donation_Field( 'new_select_field', array(

        'label' => __( 'New Select Field', 'custom-namespace' ),

        'data_type' => 'user',

        'donation_form' => array(

            'type' => 'select',

            'show_before' => 'phone',

            'required' => false,

            'options' => $options,

        ),

        'admin_form' => true,

        'show_in_meta' => true,

        'show_in_export' => true,

        'email_tag' => array(

            'description' => __( 'The new select field' , 'charitable' ),

        ),

    ) );

    /**

     * Register the select field.

     */

    charitable()->donation_fields()->register_field( $field );

}

add_action( 'init', 'ed_charitable_register_new_select_field' );