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# Doctrine Collections
[](https://travis-ci.org/doctrine/collections)
[](https://codecov.io/gh/doctrine/collections/branch/master)
Collections Abstraction library
## Changelog
### v1.6.1
This release, combined with the release of [`doctrine/collections` `v1.6.1`](https://github.com/doctrine/collections/releases/tag/v1.6.1),
fixes an issue where parsing annotations was not possible
for classes within `doctrine/collections`.
Specifically, `v1.6.0` introduced Psalm-specific annotations
such as (for example) `@template` and `@template-implements`,
which were both incorrectly recognized as `@template`.
`@template` has therefore been removed, and instead we use
the prefixed `@psalm-template`, which is no longer parsed
by `doctrine/collections` `v1.6.1`
Total issues resolved: **1**
- [186: Use `@psalm-template` annotation to avoid clashes](https://github.com/doctrine/collections/pull/186) thanks to @muglug
### v1.6.0
This release bumps the minimum required PHP version to 7.1.3.
Following improvements were introduced:
* `ArrayCollection#filter()` now allows filtering by key, value or both.
* When using the `ClosureExpressionVisitor` over objects with a defined
accessor and property, the accessor is prioritised.
* Updated testing tools and coding standards, autoloading, which also
led to marginal performance improvements
* Introduced generic type docblock declarations from [psalm](https://github.com/vimeo/psalm),
which should allow users to declare `/** @var Collection<KeyType, ValueType> */`
in their code, and leverage the type propagation deriving from that.
Total issues resolved: **16**
- [127: Use PSR-4](https://github.com/doctrine/collections/pull/127) thanks to @Nyholm
- [129: Remove space in method declaration](https://github.com/doctrine/collections/pull/129) thanks to @bounoable
- [130: Update build to add PHPCS and PHPStan](https://github.com/doctrine/collections/pull/130) thanks to @lcobucci
- [131: ClosureExpressionVisitor > Don't duplicate the accessor when the field already starts with it](https://github.com/doctrine/collections/pull/131) thanks to @ruudk
- [139: Apply Doctrine CS 2.1](https://github.com/doctrine/collections/pull/139) thanks to @Majkl578
- [142: CS 4.0, version composer.lock, merge stages](https://github.com/doctrine/collections/pull/142) thanks to @Majkl578
- [144: Update to PHPUnit 7](https://github.com/doctrine/collections/pull/144) thanks to @carusogabriel
- [146: Update changelog for v1.4.0 and v1.5.0](https://github.com/doctrine/collections/pull/146) thanks to @GromNaN
- [154: Update index.rst](https://github.com/doctrine/collections/pull/154) thanks to @chraiet
- [158: Extract Selectable method into own documentation section](https://github.com/doctrine/collections/pull/158) thanks to @SenseException
- [160: Update homepage](https://github.com/doctrine/collections/pull/160) thanks to @Majkl578
- [165: Allow `ArrayCollection#filter()` to filter by key, value or both](https://github.com/doctrine/collections/issues/165) thanks to @0x13a
- [167: Allow `ArrayCollection#filter()` to filter by key and also value](https://github.com/doctrine/collections/pull/167) thanks to @0x13a
- [175: CI: Test against PHP 7.4snapshot instead of nightly (8.0)](https://github.com/doctrine/collections/pull/175) thanks to @Majkl578
- [177: Generify collections using Psalm](https://github.com/doctrine/collections/pull/177) thanks to @nschoellhorn
- [178: Updated doctrine/coding-standard to 6.0](https://github.com/doctrine/collections/pull/178) thanks to @patrickjahns
### v1.5.0
* [Require PHP 7.1+](https://github.com/doctrine/collections/pull/105)
* [Drop HHVM support](https://github.com/doctrine/collections/pull/118)
### v1.4.0
* [Require PHP 5.6+](https://github.com/doctrine/collections/pull/105)
* [Add `ArrayCollection::createFrom()`](https://github.com/doctrine/collections/pull/91)
* [Support non-camel-case naming](https://github.com/doctrine/collections/pull/57)
* [Comparison `START_WITH`, `END_WITH`](https://github.com/doctrine/collections/pull/78)
* [Comparison `MEMBER_OF`](https://github.com/doctrine/collections/pull/66)
* [Add Contributing guide](https://github.com/doctrine/collections/pull/103)
### v1.3.0
* [Explicit casting of first and max results in criteria API](https://github.com/doctrine/collections/pull/26)
* [Keep keys when using `ArrayCollection#matching()` with sorting](https://github.com/doctrine/collections/pull/49)
* [Made `AbstractLazyCollection#$initialized` protected for extensibility](https://github.com/doctrine/collections/pull/52)
### v1.2.0
* Add a new ``AbstractLazyCollection``
### v1.1.0
* Deprecated ``Comparison::IS``, because it's only there for SQL semantics.
These are fixed in the ORM instead.
* Add ``Comparison::CONTAINS`` to perform partial string matches:
$criteria->andWhere($criteria->expr()->contains('property', 'Foo'));
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