Redirect a post format link to a ACF custom field

wp-link-format-redirect.php

<?php
/**
 * Add redirect to post format links.
 * 
 */
function umg_link_format_redirect( $original_template ) {
    if ( 'link' === get_post_format() ) {
        //get post meta
		global $post;
        
        //create redirection using ACF field from post with ID.
        //default status is 302, you can add 301 as a second argument
		wp_redirect( get_field( 'link_redirect', $post->ID ) );
        
        //exit redirect since WP does not do it automatically
		exit;
	} else {
		return $original_template;
	}
}
add_action( 'template_include', 'umg_link_format_redirect' );