Generates a dropdown menu of transfer recipients that has been set in the mycred_transfer shortcode by providing a comma separated list of ids for the pay_to shortcode attribute. Requires 1.7.9.1 or higher!

mycred-transfer-to-field-filter-example1

/**
 * Preselect Transfer Recipient
 * Generates a dropdown menu of transfer recipients that has been
 * set in the mycred_transfer shortcode by providing a comma separated list of
 * ids for the pay_to shortcode attribute.
 * @since 1.0
 * @version 1.0
 */
function mycred_pro_pre_selected_transfer_recipients( $field, $settings, $atts ) {

	if ( array_key_exists( 'pay_to', $atts ) ) {

		$recipients = explode( ',', $atts['pay_to'] );
		if ( count( $recipients ) > 1 ) {

			// Make sure the IDs are valid and that it is not our own ID
			$user_id = get_current_user_id();
			$ids     = array();
			foreach ( $recipients as $recipient_id ) {
				$recipient_id = absint( $recipient_id );
				if ( $recipient_id === 0 || $recipient_id == $user_id ) continue;
				$ids[] = $recipient_id;
			}

			if ( ! empty( $ids ) ) {
				$field  = '<select name="mycred_new_transfer[recipient_id]" class="form-control">';
				foreach ( $recipients as $recipient_id ) {
					$user   = get_userdata( $recipient_id );
					$field .= '<option value="' . $user->ID . '">' . $user->display_name . '</option>';
				}
				$field .= '</select>';
			}

		}

	}

	return $field;

}
add_filter( 'mycred_transfer_to_field', 'mycred_pro_pre_selected_transfer_recipients', 10, 3 );