How to show default field value on "view" mode if field value is empty.

Show default field value on if field value is empty.php

<?php

/**
 * This code shows default field value on "view" mode if field value is empty in the Profile form of the Ultimate Member.
 *
 * You can add this code to the end of the file functions.php in the active theme (child theme) directory.
 * 
 * Ultimate Member documentation: https://docs.ultimatemember.com/
 * Ultimate Member support (for customers): https://ultimatemember.com/support/ticket/
 */

/**
 * Show default field value on "view" mode if field value is empty.
 * @param mixed $value
 * @param string $default
 * @param string $key
 * @param string $type
 * @param array $data
 * @return mixed
 */
function um_show_field_value_if_empty( $value, $default, $key = '', $type = '', $data = array() ) {

	if( empty( $value ) && $default ) {
		$value = $default;
	}

	return $value;
}
add_filter( 'um_field_value', 'um_show_field_value_if_empty', 20, 5 );