6.2.0

• Raised minimum PHP version to 5.5
• Added basic support for foreign EntityIds
  • Added isForeign, getRepository and getLocalPart to EntityId
  • The constructor of EntityId was made public
  • Added static EntityId::splitSerialization and EntityId::joinSerialization
  • getNumericId throws an exception for foreign EntityIds
  • Added documentation for foreign EntityIds

6.1.0

• Added optional index parameter to Statement::addStatement.
• Added Int32EntityId interface.
  • ItemId and PropertyId now implement Int32EntityId.
  • ItemId and PropertyId construction now fails for numbers larger than 2147483647.
• Added an id element containing the full ID string to the EntityIdValue::getArrayValue
  serialization.
• Fixed ByPropertyIdArray iterating the properties of non-traversable objects.

6.0.1

Fixed ItemId and PropertyId not rejecting strings with a newline at the end.

6.0.0

This release removes the long deprecated Entity base class in favor of much more narrow interfaces.

Breaking changes

• Removed Entity class (deprecated since 1.0)
• Item and Property no longer extend Entity
  • Removed getLabel, getDescription, getAliases, getAllAliases,
    setLabels, setDescriptions, addAliases, setAllAliases,
    removeLabel, removeDescription and removeAliases methods
• Item::getLabels and Property::getLabels now return a TermList
• Item::getDescriptions and Property::getDescriptions now return a TermList
• Removed clear methods from Item and Property
• StatementListProvider, LabelsProvider, DescriptionsProvider, AliasesProvider and
  FingerprintProvider now give the guarantee to return objects by reference
• TermList and AliasGroupList no longer throw an InvalidArgumentException for invalid language codes.
  • getByLanguage throws an OutOfBoundsException instead.
  • removeByLanguage does nothing for invalid values.
  • hasTermForLanguage and hasGroupForLanguage return false instead.

Additions

• Item and Property now implement LabelsProvider, DescriptionsProvider and AliasesProvider
• Added Item::getAliasGroups and Property::getAliasGroups

5.1.0

This release significantly reduces the memory footprint when entities are cloned.

• Item::copy and Property::copy do not clone immutable objects any more
• Deprecated FingerprintHolder and StatementListHolder

5.0.2

Fixed regression in ReferenceList::addReference and the constructor possibly adding too many objects

5.0.1

• Fixed regression in ReferenceList::removeReferenceHash possibly removing too many objects
• ReferenceList::unserialize no longer calls the constructor

5.0.0

• Removed Claims class (deprecated since 1.0)
• Removed getClaims and setClaims methods from Entity, Item and Property (deprecated since 1.0)
• Removed HashableObjectStorage class (deprecated since 4.4)
• ReferenceList no longer derives from SplObjectStorage
  • Removed addAll, attach, contains, detach, getHash, getInfo, removeAll,
    removeAllExcept and setInfo methods
• ReferenceList no longer implements ArrayAccess
  • Removed offsetExists, offsetGet, offsetSet and offsetUnset methods
• ReferenceList no longer implements Iterator
  • Removed current, key, next, rewind and valid methods
• ReferenceList now implements IteratorAggregate
  • Added getIterator method
• Removed ReferenceList::removeDuplicates
• ReferenceList::addReference now throws an InvalidArgumentException for negative indices
• Added EntityDocument::equals, and EntityDocument now implements Comparable
• Added EntityDocument::copy
• Fixed Property::clear not clearing statements
• TermList now skips and removes empty terms
• Deprecated ByPropertyIdArray

4.4.0

• Added ItemIdParser
• Added ReferenceList::isEmpty
• Added ReferencedStatementFilter::FILTER_TYPE constant
• Added EntityRedirect::__toString
• Deprecated HashableObjectStorage
• SnakRole enum is not an interface any more but a private class

4.2.0

• Added EntityRedirect
• Added EntityIdParser and EntityIdParsingException
• Added BasicEntityIdParser
• Added DispatchingEntityIdParser
• Removed no longer needed dependency on diff/diff