59 lines
2.3 KiB
PHP
59 lines
2.3 KiB
PHP
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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace App\Hydrator\Strategy;
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/**
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* When this strategy is used for Collections, if the new collection does not contain elements that are present in
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* the original collection, then this strategy remove elements from the original collection. For instance, if the
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* collection initially contains elements A and B, and that the new collection contains elements B and C, then the
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* final collection will contain elements B and C (while element A will be asked to be removed).
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*
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* This strategy is by reference, this means it won't use public API to add/remove elements to the collection
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*
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* @license MIT
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* @link http://www.doctrine-project.org/
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* @since 0.7.0
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* @author Michael Gallego <mic.gallego@gmail.com>
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*/
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class AllowRemoveByReference extends AbstractCollectionStrategy
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{
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/**
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* {@inheritDoc}
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*/
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public function hydrate($value)
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{
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$collection = $this->getCollectionFromObjectByReference();
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$collectionArray = $collection->toArray();
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$toAdd = array_udiff($value, $collectionArray, array($this, 'compareObjects'));
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$toRemove = array_udiff($collectionArray, $value, array($this, 'compareObjects'));
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foreach ($toAdd as $element) {
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$collection->add($element);
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}
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foreach ($toRemove as $element) {
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$collection->removeElement($element);
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}
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return $collection;
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}
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}
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