Update filters.md

JarJak · dunglas · commit e0dca8e92ac1 · 2017-05-15T11:32:20.000+02:00
fix example in docs
diff --git a/core/filters.md b/core/filters.md
@@ -515,9 +515,9 @@ use Symfony\Component\HttpFoundation\Request;
 
 final class CustomOrderFilter extends OrderFilter
 {
-    protected function extractProperties(Request $request)
+    protected function extractProperties(Request $request): array
     {
-        $filter = $request->query->get('filter[order]', []);
+        return $request->query->get('filter[order]', []);
     }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -515,9 +515,9 @@ use Symfony\Component\HttpFoundation\Request;`
`515`	`515`
`516`	`516`	`final class CustomOrderFilter extends OrderFilter`
`517`	`517`	`{`
`518`		`- protected function extractProperties(Request $request)`
	`518`	`+ protected function extractProperties(Request $request): array`
`519`	`519`	`{`
`520`		`- $filter = $request->query->get('filter[order]', []);`
	`520`	`+ return $request->query->get('filter[order]', []);`
`521`	`521`	`}`
`522`	`522`	`}`
`523`	`523`	```