Symfony: get parameter names from URL string

Question

Given a URL string like:

'my-route/{someId}/{someOption}'

I'd like to get an array like:

['someId', 'someOption']

Obviously I can parse it manually with some regexp, but I was wondering if it'd be possible to do it using some Symfony (2.6+) component or something...

So from wherever in my code I can do something like:

$urlParamNames = $someComponent->getParamNamesFromUrl('my-route/{someId}/{someOption}');

NOTE: I know this is not "standard" Symfony, and I know you'll normally get the parameters from the route injected into the action as arguments and so on... Explaining why I want this would be a very long story though, so just assume I need exactly that functionality, no other advices/suggestions...

first, symfony injects them as parameters into your action method. just define $someId and $someOption as parameters. second, you should be able to extract the parameters with the routing service — Joshua
– Joshua, Commented Oct 27, 2015 at 12:15

Federkun · Accepted Answer · 2015-10-27 12:33:15Z

4

That's a strange request. But if you really want:

use Symfony\Component\Routing\RouteCompiler;
use Symfony\Component\Routing\Route;

$compiledRoute = RouteCompiler::compile(new Route('my-route/{someId}/{someOption}'));
var_dump($compiledRoute->getVariables());

Output:

array(2) { [0]=> string(6) "someId" [1]=> string(10) "someOption" }

Without using RouteCompiler directly:

use Symfony\Component\Routing\Route;

$route = new Route('my-route/{someId}/{someOption}');
$compiledRoute = $route->compile();
var_dump($compiledRoute->getVariables());

See compiler_class option if you need to do more.

edited Oct 27, 2015 at 12:33

answered Oct 27, 2015 at 12:17

Federkun

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