Last week, I needed to redirect all requests that contained uppercase letters to their lowercase equivalents for SEO optimization.
For example:
From
To
/location/Atlanta
/location/atlanta
/docs/Laravel-Middleware
/docs/laravel-middleware
At the same time, the solution shouldn’t change any query parameters:
From
To
/locations/United-States?search=Georgia
/location/united-states?search=Georgia
It turns out we can do this with just a few lines of code in a Laravel middleware! First, we grab the path from the request and check if the it is the same lowercased. If not, we can use the url()->query() method to append the query string back onto the lowercase version of the path and permanently redirect to the lowercased path.
<?php
namespace AppHttpMiddleware;
use Closure;
use IlluminateHttpRequest;
use SymfonyComponentHttpFoundationResponse;
class RedirectUppercase
{
/**
* Handle an incoming request.
*
* @param Closure(IlluminateHttpRequest): (SymfonyComponentHttpFoundationResponse) $next
*/
public function handle(Request $request, Closure $next): Response
{
$path = $request->path();
if (($lower = strtolower($path)) !== $path) {
$url = url()->query($lower, $request->query());
return redirect($url, 301);
}
return $next($request);
}
}
To register the middleware in a Laravel 11 app, I appended it to the web middleware group in the bootstrap/app.php file.
<?php
return Application::configure(basePath: dirname(__DIR__))
->withRouting(
// …
)
->withMiddleware(function (Middleware $middleware) {
$middleware->appendToGroup(‘web’, AppHttpMiddlewareRedirectUppercase::class);
});
Note: you may want to exclude this middleware from routes that use signed URLs or other case sensitive use-cases.
I’m sure there are possible solutions with Nginx or Apache, but this was by far the simplest solution for me and it works across all environments of the app. I don’t have to remember to make any changes on new servers.
The post How to Redirect Uppercase URLs to Lowercase with Laravel Middleware appeared first on Laravel News.
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