Berlioz Router is a PHP library for manage HTTP routes, respecting PSR-7 (HTTP message interfaces) standard.

v2.1.0 2023-08-29 11:13 UTC

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Last update: 2024-05-29 12:46:55 UTC


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Berlioz Router is a PHP library for manage HTTP routes, respecting PSR-7 (HTTP message interfaces) standard.



You can install Berlioz Router with Composer, it's the recommended installation.

$ composer require berlioz/router


  • PHP ^8.0
  • Packages:
    • berlioz/http-message
    • psr/log



Create route

You can create simple route like this:

use Berlioz\Router\Route;

$route = new Route('/path-of/my-route');
$route = new Route('/path-of/my-route/{attribute}/with-attribute');

Constructor arguments are:

  • defaults: an associated array to set default values of attributes when route is generated
  • requirements: an associated array to restrict the format of attributes. Key is the name of attribute and value is the validation regex
  • name: name of route
  • method: an array of allowed HTTP methods, or just a method
  • host: an array of allowed hosts, or just a host
  • priority: you can specify the priority for a route (default: -1)

Route group

A route can be transformed to a group, only associate another route to them.

use Berlioz\Router\Route;

$route = new Route('/path');
$route->addRoute($route2 = new Route('/path2')); // Path will be: /path/path2

Children routes inherit parent route attributes, requirements, ...


Route accept optional attributes, you need to wrap the optional part by brackets.

$route = new \Berlioz\Router\Route('/path[/optional-part/{with-attribute}]');

You can also define requirements directly in the path :

  • Add a regular expression after the name of attribute (separate by ":").
  • Add a type name after the name of attribute (separate by "::").
$route = new \Berlioz\Router\Route('/path/{attributeName:\d+}');
$route = new \Berlioz\Router\Route('/path/{attributeName::int}');

Supported defined types:

  • int (equivalent of \d+)
  • float (equivalent of \d+(\.\d+))
  • uuid4 (equivalent of [0-9A-Fa-f]{8}\-[0-9A-Fa-f]{4}\-[0-9A-Fa-f]{4}\-[0-9A-Fa-f]{4}\-[0-9A-Fa-f]{12})
  • slug (equivalent of [a-z0-9]+(?:-[a-z0-9]+)*)
  • md5 (equivalent of [0-9a-fA-F]{32})
  • sha1 (equivalent of [0-9a-fA-F]{40})
  • domain (equivalent of ([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6})


The router is the main functionality in the package, it is defined by Router class. He is able to find the good Route object according to a ServerRequestInterface object (see PSR-7).

use Berlioz\Http\Message\ServerRequest;
use Berlioz\Router\Route;
use Berlioz\Router\Router;

// Create server request or get them from another place in your app
$serverRequest = new ServerRequest(...);

// Create router
$router = new Router();
    new Route('/path-of/my-route'),
    new Route('/path-of/my-route/{attribute}/with-attribute')

$route = $router->handle($serverRequest);

Generate path

You can generate a path with some parameters directly with Router object.

use Berlioz\Router\Exception\NotFoundException;
use Berlioz\Router\Router;

$router = new Router();
// ...add routes

try {
    $path = $router->generate('name-of-route', ['attribute1' => 'value']);
} catch (NotFoundException $exception) {
    // ... not found route

The return of method, is the path in string format or thrown an exception if not able to generate path (not all required parameters for example).

Valid path

You can be valid a ServerRequestInterface to known if a path can be treated by a route.

use Berlioz\Http\Message\ServerRequest;
use Berlioz\Router\Router;

$serverRequest = new ServerRequest(...);
$router = new Router();
// ...add routes

/** bool $valid Valid path ?*/
$valid = $router->isValid($serverRequest);

The return of method is a boolean value.