Commits
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ccb6dad [HttpFoundation] fixed undefined offset for assoc arrays in HeaderBag
Discussion
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[HttpFoundation] fixed undefined offset for assoc arrays in HeaderBag
`get` is assuming the headers are zero-indexed. So something like this would otherwise create a php warning.
```
$bag->set('foo', array('bad-assoc-index' => 'value'));
$this->assertSame('value', $bag->get('foo'));
```