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- <?php
- /*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software consists of voluntary contributions made by many individuals
- * and is licensed under the MIT license. For more information, see
- * <http://www.doctrine-project.org>.
- */
- namespace Doctrine\Common\Collections;
- use ArrayIterator;
- use Closure;
- use Doctrine\Common\Collections\Expr\ClosureExpressionVisitor;
- /**
- * An ArrayCollection is a Collection implementation that wraps a regular PHP array.
- *
- * Warning: Using (un-)serialize() on a collection is not a supported use-case
- * and may break when we change the internals in the future. If you need to
- * serialize a collection use {@link toArray()} and reconstruct the collection
- * manually.
- *
- * @since 2.0
- * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
- * @author Jonathan Wage <jonwage@gmail.com>
- * @author Roman Borschel <roman@code-factory.org>
- */
- class ArrayCollection implements Collection, Selectable
- {
- /**
- * An array containing the entries of this collection.
- *
- * @var array
- */
- private $elements;
- /**
- * Initializes a new ArrayCollection.
- *
- * @param array $elements
- */
- public function __construct(array $elements = array())
- {
- $this->elements = $elements;
- }
- /**
- * Creates a new instance from the specified elements.
- *
- * This method is provided for derived classes to specify how a new
- * instance should be created when constructor semantics have changed.
- *
- * @param array $elements Elements.
- *
- * @return static
- */
- protected function createFrom(array $elements)
- {
- return new static($elements);
- }
- /**
- * {@inheritDoc}
- */
- public function toArray()
- {
- return $this->elements;
- }
- /**
- * {@inheritDoc}
- */
- public function first()
- {
- return reset($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function last()
- {
- return end($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function key()
- {
- return key($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function next()
- {
- return next($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function current()
- {
- return current($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function remove($key)
- {
- if ( ! isset($this->elements[$key]) && ! array_key_exists($key, $this->elements)) {
- return null;
- }
- $removed = $this->elements[$key];
- unset($this->elements[$key]);
- return $removed;
- }
- /**
- * {@inheritDoc}
- */
- public function removeElement($element)
- {
- $key = array_search($element, $this->elements, true);
- if ($key === false) {
- return false;
- }
- unset($this->elements[$key]);
- return true;
- }
- /**
- * Required by interface ArrayAccess.
- *
- * {@inheritDoc}
- */
- public function offsetExists($offset)
- {
- return $this->containsKey($offset);
- }
- /**
- * Required by interface ArrayAccess.
- *
- * {@inheritDoc}
- */
- public function offsetGet($offset)
- {
- return $this->get($offset);
- }
- /**
- * Required by interface ArrayAccess.
- *
- * {@inheritDoc}
- */
- public function offsetSet($offset, $value)
- {
- if ( ! isset($offset)) {
- return $this->add($value);
- }
- $this->set($offset, $value);
- }
- /**
- * Required by interface ArrayAccess.
- *
- * {@inheritDoc}
- */
- public function offsetUnset($offset)
- {
- return $this->remove($offset);
- }
- /**
- * {@inheritDoc}
- */
- public function containsKey($key)
- {
- return isset($this->elements[$key]) || array_key_exists($key, $this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function contains($element)
- {
- return in_array($element, $this->elements, true);
- }
- /**
- * {@inheritDoc}
- */
- public function exists(Closure $p)
- {
- foreach ($this->elements as $key => $element) {
- if ($p($key, $element)) {
- return true;
- }
- }
- return false;
- }
- /**
- * {@inheritDoc}
- */
- public function indexOf($element)
- {
- return array_search($element, $this->elements, true);
- }
- /**
- * {@inheritDoc}
- */
- public function get($key)
- {
- return isset($this->elements[$key]) ? $this->elements[$key] : null;
- }
- /**
- * {@inheritDoc}
- */
- public function getKeys()
- {
- return array_keys($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function getValues()
- {
- return array_values($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function count()
- {
- return count($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function set($key, $value)
- {
- $this->elements[$key] = $value;
- }
- /**
- * {@inheritDoc}
- */
- public function add($element)
- {
- $this->elements[] = $element;
- return true;
- }
- /**
- * {@inheritDoc}
- */
- public function isEmpty()
- {
- return empty($this->elements);
- }
- /**
- * Required by interface IteratorAggregate.
- *
- * {@inheritDoc}
- */
- public function getIterator()
- {
- return new ArrayIterator($this->elements);
- }
- /**
- * {@inheritDoc}
- */
- public function map(Closure $func)
- {
- return $this->createFrom(array_map($func, $this->elements));
- }
- /**
- * {@inheritDoc}
- */
- public function filter(Closure $p)
- {
- return $this->createFrom(array_filter($this->elements, $p));
- }
- /**
- * {@inheritDoc}
- */
- public function forAll(Closure $p)
- {
- foreach ($this->elements as $key => $element) {
- if ( ! $p($key, $element)) {
- return false;
- }
- }
- return true;
- }
- /**
- * {@inheritDoc}
- */
- public function partition(Closure $p)
- {
- $matches = $noMatches = array();
- foreach ($this->elements as $key => $element) {
- if ($p($key, $element)) {
- $matches[$key] = $element;
- } else {
- $noMatches[$key] = $element;
- }
- }
- return array($this->createFrom($matches), $this->createFrom($noMatches));
- }
- /**
- * Returns a string representation of this object.
- *
- * @return string
- */
- public function __toString()
- {
- return __CLASS__ . '@' . spl_object_hash($this);
- }
- /**
- * {@inheritDoc}
- */
- public function clear()
- {
- $this->elements = array();
- }
- /**
- * {@inheritDoc}
- */
- public function slice($offset, $length = null)
- {
- return array_slice($this->elements, $offset, $length, true);
- }
- /**
- * {@inheritDoc}
- */
- public function matching(Criteria $criteria)
- {
- $expr = $criteria->getWhereExpression();
- $filtered = $this->elements;
- if ($expr) {
- $visitor = new ClosureExpressionVisitor();
- $filter = $visitor->dispatch($expr);
- $filtered = array_filter($filtered, $filter);
- }
- if ($orderings = $criteria->getOrderings()) {
- $next = null;
- foreach (array_reverse($orderings) as $field => $ordering) {
- $next = ClosureExpressionVisitor::sortByField($field, $ordering == Criteria::DESC ? -1 : 1, $next);
- }
- uasort($filtered, $next);
- }
- $offset = $criteria->getFirstResult();
- $length = $criteria->getMaxResults();
- if ($offset || $length) {
- $filtered = array_slice($filtered, (int)$offset, $length);
- }
- return $this->createFrom($filtered);
- }
- }
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