PHP SplObjectStorage::removeAllExcept方法代码示例

 /**
  * @deprecated Using the SplObjectStorage API on the Crawler is deprecated as of 2.8 and will be removed in 3.0.
  */
 public function removeAllExcept($storage)
 {
     @trigger_error('The ' . __METHOD__ . ' method is deprecated as of 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
     parent::removeAllExcept($storage);
 }

 /**
  * @deprecated Using the SplObjectStorage API on the Crawler is deprecated as of 2.8 and will be removed in 3.0.
  */
 public function removeAllExcept($storage)
 {
     $this->triggerDeprecation(__METHOD__);
     parent::removeAllExcept($storage);
 }

 /**
  * @param \SplObjectStorage $storage
  */
 public function removeAllExcept($storage)
 {
     parent::removeAllExcept($storage);
     $this->unreferenced->removeAllExcept($storage);
 }

	public function __construct($options){
		list($subscribeIfCloseable, $closeSubscribedCloseables) =
			Operators::invoke(static function(){
				$closeables = new \SplObjectStorage();
				return [
					static function($object) use ($closeables){
						if (
							(new \Yasca\Core\IteratorBuilder)
							->from(Iterators::traitsOf($object))
							->contains('Yasca\Core\Closeable')
						){
							$closeables->attach($object);
						}
					},
					static function() use ($closeables){
						foreach($closeables as $closeable){
							$closeable->close();
						}
						$closeables->removeAllExcept(new \SplObjectStorage());
					},
				];
			});

		list($fireLogEvent, $fireResultEvent) =
			Operators::invoke(function() use ($subscribeIfCloseable){
				$newEvent = function($name) use ($subscribeIfCloseable){
					$event = new SplSubjectAdapter();
					$this->{"attach{$name}Observer"} = function(\SplObserver $observer) use ($event, $subscribeIfCloseable){
						$event->attach($observer);
						$subscribeIfCloseable($observer);
						return $this;
					};
					$this->{"detach{$name}Observer"} = function(\SplObserver $observer) use ($event, $subscribeIfCloseable){
						$event->detach($observer);
						$subscribeIfCloseable($observer);
						return $this;
					};
					return static function($value) use ($event){
						$event->raise($value);
					};
				};
				return [
					$newEvent('Log'),
					$newEvent('Result'),
				];
			});

		$targetDirectory =
			(new \Yasca\Core\FunctionPipe)
			->wrap($options)
			->pipe([Iterators::_class,'elementAtOrNull'], 'targetDirectory')
			->pipe('\realpath')
			->unwrap();

		$makeRelative =
			//Make filenames relative when publishing a result
			(new \Yasca\Core\FunctionPipe)
			->wrap($targetDirectory)
			->pipe('\preg_quote', '`')
			->pipe(static function($dirLiteral) { return "`^$dirLiteral`ui"; })
			->pipe(static function($regex){
				return Operators::curry('\preg_replace', $regex, '');
			})
			->unwrap();

		//Wrap Result event trigger to make changes to each Result
		$fireResultEvent = static function(Result $result) use ($fireResultEvent, $makeRelative){
			//Make adjustments based on adjustments data
			(new \Yasca\Core\FunctionPipe)
			->wrap(static::$adjustments)
			->pipe([Iterators::_class, 'elementAtOrNull'], $result->pluginName)
			->pipe([Iterators::_class, 'elementAtOrNull'], $result->category)
			->pipe(static function($options) use ($result){
				if ($options !== null){
					$result->setOptions($options);
				}
			});

			//Get unsafeSourceCode if needed, and then make the filename relative
			//to the scan directory
			if (isset($result->filename) === true && !Operators::isNullOrEmpty($result->filename)){
				if(isset($result->lineNumber) === true && isset($result->unsafeSourceCode) !== true){
					try {
						$result->unsafeSourceCode =
							(new \Yasca\Core\FunctionPipe)
							->wrap($result->filename)
							->pipe([Encoding::_class,'getFileContentsAsArray'])
							->toIteratorBuilder()
							->slice(
								\max($result->lineNumber - 10, 0),
								20
							)
							->toArray(true);
					} catch (\ErrorException $e){
						$tail = 'No such file or directory';
						if (\substr($e->getMessage(),0-strlen($tail)) === $tail){
							//External tool generated a filename that's not present
							//FindBugs can often do this if the matching .java files are missing.
						} else {
							throw $e;
//.........这里部分代码省略.........

<?php

$data_provider = array(array(), true, "string", 12345, 1.2345, NULL);
foreach ($data_provider as $input) {
    $s = new SplObjectStorage();
    var_dump($s->removeAllExcept($input));
}

<?php

$a = (object) 'a';
$b = (object) 'b';
$c = (object) 'c';
$foo = new SplObjectStorage();
$foo->attach($a);
$foo->attach($b);
$bar = new SplObjectStorage();
$bar->attach($b);
$bar->attach($c);
$foo->removeAllExcept($bar);
var_dump($foo->contains($a));
var_dump($foo->contains($b));