10000 [DomCrawler] add upgrade hint on interface changes by havvg · Pull Request #16774 · symfony/symfony · GitHub
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[DomCrawler] add upgrade hint on interface changes #16774

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Dec 5, 2015
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[DomCrawler] add upgrade hint on interface changes #16774

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16 changes: 16 additions & 0 deletions UPGRADE-3.0.md
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,22 @@ UPGRADE FROM 2.x to 3.0
removed: `ContainerBuilder::synchronize()`, `Definition::isSynchronized()`,
and `Definition::setSynchronized()`.

### DomCrawler

* The interface of the `Symfony\Component\DomCrawler\Crawler` changed. It does no longer implement `\Iterator` but `\IteratorAggregate`. If you rely on methods of the `\Iterator` interface, call the `getIterator` method of the `\IteratorAggregate` interface before. No changes are required in a `\Traversable`-aware control structure, such as `foreach`.

Before:

```php
$crawler->current();
```

After:

```php
$crawler->getIterator()->current();
```

### EventDispatcher

* The method `getListenerPriority($eventName, $listener)` has been added to the
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