Are there any specific PHP functions or methods that should be used to prevent redirection loops in web applications?

To prevent redirection loops in web applications, you can use the `header()` function in PHP to set the HTTP response header for redirection. To avoid a redirection loop, you should check if the current URL matches the destination URL before redirecting. You can achieve this by comparing the current URL with the destination URL using `$_SERVER['REQUEST_URI']` or `$_SERVER['HTTP_HOST']`.

$current_url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$destination_url = "http://example.com/destination";

if($current_url != $destination_url){
    header("Location: $destination_url");
    exit();
}