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<?php |
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namespace SESP\PropertyAnnotators; |
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use SMW\DIProperty; |
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use SMW\SemanticData; |
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use SMWDataItem as DataItem; |
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use SMWDITime as DITime; |
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use SESP\PropertyAnnotator; |
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use SESP\AppFactory; |
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/** |
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* @private |
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* @ingroup SESP |
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* |
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* @license GNU GPL v2+ |
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*/ |
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class ApprovedDatePropertyAnnotator implements PropertyAnnotator { |
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/** |
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* Predefined property ID |
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*/ |
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const PROP_ID = '___APPROVEDDATE'; |
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/** |
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* @var AppFactory |
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*/ |
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private $appFactory; |
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/** |
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* @var Integer|null |
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*/ |
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private $approvedDate; |
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/** |
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* @param AppFactory $appFactory |
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*/ |
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public function __construct( AppFactory $appFactory ) { |
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$this->appFactory = $appFactory; |
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} |
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/** |
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* @since 2.0 |
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* |
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* @param Integer $approvedDate |
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*/ |
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public function setApprovedDate( $approvedDate ) { |
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$this->approvedDate = $approvedDate; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function isAnnotatorFor( DIProperty $property ) { |
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return $property->getKey() === self::PROP_ID; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addAnnotation( |
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DIProperty $property, SemanticData $semanticData |
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) { |
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if ( $this->approvedDate === null && class_exists( 'ApprovedRevs' ) ) { |
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$logReader = new LogReader( |
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$semanticData->getSubject()->getTitle(), 'approval' |
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); |
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$this->approvedDate = $logReader->getDate(); |
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} |
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if ( $this->approvedDate ) { |
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$dataItem = new DITime( |
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DITime::CM_GREGORIAN, |
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$this->approvedDate->format( 'Y' ), |
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$this->approvedDate->format( 'm' ), |
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$this->approvedDate->format( 'd' ), |
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$this->approvedDate->format( 'H' ), |
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$this->approvedDate->format( 'i' ) |
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); |
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} |
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if ( $dataItem instanceof DataItem ) { |
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$semanticData->addPropertyObjectValue( $property, $dataItem ); |
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} else { |
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$semanticData->removeProperty( $property ); |
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} |
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} |
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} |
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SemanticMediaWiki /
SemanticExtraSpecialProperties
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: