Change Donor Name Display

/**

 * Change the donors widget so only the first name and last name

 * initial of the donor are shown.

 *

 * @param  string $name The name to be displayed

 * @param  array  $args Arguments passed to the donor-loop/donor.php template.

 * @return string

 */

add_filter( 'charitable_donor_loop_donor_name', function( $name, $args ) {

    $donor = $args['donor'];

    $first_name = $donor->get_donor_meta( 'first_name' );

    $last_name  = $donor->get_donor_meta( 'last_name' );

    $name = $first_name . ' ' . strtoupper( substr( $last_name, 0, 1 ) );

    return $name;

}, 11, 2 );