Add Charitable profile fields to admin user profiles

function.php

<?php 

function pp_add_user_profile_fields( $user ) {    
    $skip = array( 'first_name', 'last_name', 'user_email', 'description' );
    
    $switch_keys = array(
        'address' => 'donor_address',
        'address_2' => 'donor_address_2',
        'city' => 'donor_city',
        'state' => 'donor_state',
        'postcode' => 'donor_postcode',
        'country' => 'donor_country',
        'phone' => 'donor_phone'
    );

    $profile_form = new Charitable_Profile_Form;
    ?>
    <h3><?php _e( 'Additional profile fields', 'pp-toolkit' ) ?></h3>
    <table class="widefat">
        <tbody>
            <?php foreach ( $profile_form->get_merged_fields() as $key => $field ) : ?>
                <?php if ( in_array( $key, $skip ) ) : 
                    continue;
                endif;

                $meta_key = isset( $switch_keys[ $key ] ) ? $switch_keys[ $key ] : $key;

                ?>
                <tr>
                    <th><label for=""><?php echo $field[ 'label' ] ?></label></th>
                    <td><?php echo $user->get( $meta_key ) ?></td>
                </tr>
            <?php endforeach ?>            
        </tbody>
    </table>
    <?php 
}

add_action( 'show_user_profile', 'pp_add_user_profile_fields' );
add_action( 'edit_user_profile', 'pp_add_user_profile_fields' );