symfony/symfony — pull request #2427 by vatson (2011-10-18 13:20:15+00:00)
Title: [2.0][DependencyInjection] added the ability to use dot and single quotes in the keys and values

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -

We can not set a specific combination of dots and single quotes in the values ​​and keys of the arguments. I.E.

```xml

.
.''.
''.
is the same problem for the keys?

```

As a result we have such a dump:

```php
services['key_escaper'] = $instance = new \MyNamespace\MyClass();

$instance->setCollection(array('only dot' => , 'concatenation as value' => '.\'\, 'concatenation from the start line' => '\'\, => 'is the same problem for the keys?'));

return $instance;
}
}
```