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# AltoRouter [![Build Status](https://api.travis-ci.org/dannyvankooten/AltoRouter.png)](http://travis-ci.org/dannyvankooten/AltoRouter)
AltoRouter is a small but powerful routing class for PHP 5.3+, heavily inspired by [klein.php](https://github.com/chriso/klein.php/).
* Dynamic routing with named parameters
```php
$router = new AltoRouter();
// map homepage
$router->map( 'GET', '/', function() {
require __DIR__ . '/views/home.php';
});
// map users details page
$router->map( 'GET|POST', '/users/[i:id]/', function( $id ) {
$user = .....
require __DIR__ . '/views/user/details.php';
});
```
## Features
* Can be used with all HTTP Methods
* Dynamic routing with named route parameters
* Reversed routing
* Flexible regular expression routing (inspired by [Sinatra](http://www.sinatrarb.com/))
* Custom regexes
## Getting started
1. PHP 5.3.x is required
2. Install AltoRouter using Composer or manually
2. Setup URL rewriting so that all requests are handled by **index.php**
3. Create an instance of AltoRouter, map your routes and match a request.
4. Have a look at the basic example in the `examples` directory for a better understanding on how to use AltoRouter.
You need PHP >= 5.3 to use AltoRouter.
## Routing
```php
$router = new AltoRouter();
$router->setBasePath('/AltoRouter'); // (optional) the subdir AltoRouter lives in
// mapping routes
$router->map('GET|POST','/', 'home#index', 'home');
$router->map('GET','/users', array('c' => 'UserController', 'a' => 'ListAction'));
$router->map('GET','/users/[i:id]', 'users#show', 'users_show');
$router->map('POST','/users/[i:id]/[delete|update:action]', 'usersController#doAction', 'users_do');
// reversed routing
$router->generate('users_show', array('id' => 5));
```
**You can use the following limits on your named parameters. AltoRouter will create the correct regexes for you.**
```php
* // Match all request URIs
[i] // Match an integer
[i:id] // Match an integer as 'id'
[a:action] // Match alphanumeric characters as 'action'
[h:key] // Match hexadecimal characters as 'key'
[:action] // Match anything up to the next / or end of the URI as 'action'
[create|edit:action] // Match either 'create' or 'edit' as 'action'
[*] // Catch all (lazy, stops at the next trailing slash)
[*:trailing] // Catch all as 'trailing' (lazy)
[**:trailing] // Catch all (possessive - will match the rest of the URI)
.[:format]? // Match an optional parameter 'format' - a / or . before the block is also optional
```
**Some more complicated examples**
```php
@/(?[A-Za-z]{2}_[A-Za-z]{2})$ // custom regex, matches language codes like "en_us" etc.
/posts/[*:title][i:id] // Matches "/posts/this-is-a-title-123"
/output.[xml|json:format]? // Matches "/output", "output.xml", "output.json"
/[:controller]?/[:action]? // Matches the typical /controller/action format
```
**The character before the colon (the 'match type') is a shortcut for one of the following regular expressions**
```php
'i' => '[0-9]++'
'a' => '[0-9A-Za-z]++'
'h' => '[0-9A-Fa-f]++'
'*' => '.+?'
'**' => '.++'
'' => '[^/\.]++'
```
**New match types can be added using the `addMatchTypes()` method**
```php
$router->addMatchTypes(array('cId' => '[a-zA-Z]{2}[0-9](?:_[0-9]++)?'));
```
## Matching
Simply call the match() method like this :
```php
// perform a match against the current request url
$match = $router->match();
// perform a match against a given url
$match = $router->match($url);
```
### Structure
Match return an associative array containing :
- target : the value of the third argument of the map() call
- params : if you have params in your match pattern, an associative array with param name as key
- name : the name of the matched route
### Example
- Map : 'GET', '/user/[i:id]/', array('c' => 'UserController', 'a' => 'Profile'), 'userProfile'
- Url : /users/group/list/123/
will give :
```
Array
(
[target] => Array
(
[c] => UserController
[a] => Profile
)
[params] => Array
(
[id] => 123
)
[name] => userProfile
)
```
- [Install AltoRouter](http://altorouter.com/usage/install.html)
- [Rewrite all requests to AltoRouter](http://altorouter.com/usage/rewrite-requests.html)
- [Map your routes](http://altorouter.com/usage/mapping-routes.html)
- [Match requests](http://altorouter.com/usage/matching-requests.html)
- [Process the request your preferred way](http://altorouter.com/usage/processing-requests.html)
## Contributors
- [Danny van Kooten](https://github.com/dannyvankooten)
@@ -129,7 +44,7 @@ Array
(MIT License)
Copyright (c) 2012-2013 Danny van Kooten <hi@dannyvankooten.com>
Copyright (c) 2012-2014 Danny van Kooten <hi@dannyvankooten.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: