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<?php |
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namespace Wikibase\DataModel\Term; |
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use Countable; |
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use InvalidArgumentException; |
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/** |
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* Ordered set of aliases. Immutable value object. |
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* |
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* Duplicates and whitespace only values are removed. Values are trimmed. |
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* |
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* @since 0.7.3 |
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* |
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* @license GPL-2.0-or-later |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class AliasGroup implements Countable { |
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/** |
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* @var string Language code identifying the language of the aliases, but note that there is |
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* nothing this class can do to enforce this convention. |
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*/ |
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private $languageCode; |
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/** |
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* @var string[] |
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*/ |
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private $aliases; |
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/** |
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* @param string $languageCode Language of the aliases. |
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* @param string[] $aliases |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct( $languageCode, array $aliases = [] ) { |
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if ( !is_string( $languageCode ) || $languageCode === '' ) { |
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throw new InvalidArgumentException( '$languageCode must be a non-empty string' ); |
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} |
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$this->languageCode = $languageCode; |
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$this->aliases = array_values( |
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array_unique( |
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array_map( |
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'trim', |
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array_filter( |
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$aliases, |
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function( $alias ) { |
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if ( !is_string( $alias ) ) { |
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throw new InvalidArgumentException( '$aliases must be an array of strings' ); |
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} |
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return trim( $alias ) !== ''; |
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} |
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) |
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) |
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) |
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); |
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} |
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/** |
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* @return string |
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*/ |
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public function getLanguageCode() { |
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return $this->languageCode; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getAliases() { |
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return $this->aliases; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isEmpty() { |
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return empty( $this->aliases ); |
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} |
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/** |
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* |
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* @param mixed $target |
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* |
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* @return bool |
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*/ |
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public function equals( $target ) { |
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if ( $this === $target ) { |
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return true; |
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} |
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1 |
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return is_object( $target ) |
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&& get_called_class() === get_class( $target ) |
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&& $this->languageCode === $target->languageCode |
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&& $this->aliases == $target->aliases; |
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} |
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/** |
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* @see Countable::count |
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* |
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* @return int |
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*/ |
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public function count() { |
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return count( $this->aliases ); |
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} |
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} |
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wmde /
WikibaseDataModel
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..