the whole shebang
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385
vendor/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php
vendored
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385
vendor/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php
vendored
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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 Doctrine\Common\Collections;
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use Closure, ArrayIterator;
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use Doctrine\Common\Collections\Expr\ClosureExpressionVisitor;
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/**
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* An ArrayCollection is a Collection implementation that wraps a regular PHP array.
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*
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* @since 2.0
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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*/
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class ArrayCollection implements Collection, Selectable
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{
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/**
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* An array containing the entries of this collection.
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*
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* @var array
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*/
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private $_elements;
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/**
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* Initializes a new ArrayCollection.
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*
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* @param array $elements
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*/
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public function __construct(array $elements = array())
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{
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$this->_elements = $elements;
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}
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/**
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* {@inheritDoc}
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*/
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public function toArray()
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{
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return $this->_elements;
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}
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/**
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* {@inheritDoc}
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*/
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public function first()
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{
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return reset($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function last()
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{
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return end($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function key()
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{
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return key($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function next()
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{
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return next($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function current()
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{
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return current($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function remove($key)
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{
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if (isset($this->_elements[$key]) || array_key_exists($key, $this->_elements)) {
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$removed = $this->_elements[$key];
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unset($this->_elements[$key]);
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return $removed;
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public function removeElement($element)
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{
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$key = array_search($element, $this->_elements, true);
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if ($key !== false) {
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unset($this->_elements[$key]);
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return true;
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}
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return false;
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}
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/**
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* Required by interface ArrayAccess.
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*
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* {@inheritDoc}
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*/
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public function offsetExists($offset)
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{
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return $this->containsKey($offset);
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}
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/**
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* Required by interface ArrayAccess.
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*
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* {@inheritDoc}
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*/
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public function offsetGet($offset)
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{
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return $this->get($offset);
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}
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/**
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* Required by interface ArrayAccess.
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*
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* {@inheritDoc}
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*/
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public function offsetSet($offset, $value)
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{
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if ( ! isset($offset)) {
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return $this->add($value);
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}
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return $this->set($offset, $value);
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}
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/**
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* Required by interface ArrayAccess.
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*
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* {@inheritDoc}
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*/
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public function offsetUnset($offset)
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{
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return $this->remove($offset);
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}
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/**
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* {@inheritDoc}
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*/
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public function containsKey($key)
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{
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return isset($this->_elements[$key]) || array_key_exists($key, $this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function contains($element)
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{
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return in_array($element, $this->_elements, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function exists(Closure $p)
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{
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foreach ($this->_elements as $key => $element) {
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if ($p($key, $element)) {
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return true;
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}
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}
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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public function indexOf($element)
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{
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return array_search($element, $this->_elements, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function get($key)
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{
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if (isset($this->_elements[$key])) {
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return $this->_elements[$key];
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public function getKeys()
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{
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return array_keys($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function getValues()
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{
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return array_values($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function count()
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{
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return count($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function set($key, $value)
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{
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$this->_elements[$key] = $value;
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}
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/**
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* {@inheritDoc}
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*/
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public function add($value)
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{
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$this->_elements[] = $value;
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public function isEmpty()
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{
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return ! $this->_elements;
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}
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/**
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* Required by interface IteratorAggregate.
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*
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* {@inheritDoc}
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*/
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public function getIterator()
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{
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return new ArrayIterator($this->_elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function map(Closure $func)
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{
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return new static(array_map($func, $this->_elements));
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}
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/**
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* {@inheritDoc}
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*/
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public function filter(Closure $p)
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{
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return new static(array_filter($this->_elements, $p));
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}
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/**
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* {@inheritDoc}
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*/
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public function forAll(Closure $p)
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{
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foreach ($this->_elements as $key => $element) {
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if ( ! $p($key, $element)) {
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return false;
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}
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}
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public function partition(Closure $p)
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{
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$coll1 = $coll2 = array();
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foreach ($this->_elements as $key => $element) {
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if ($p($key, $element)) {
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$coll1[$key] = $element;
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} else {
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$coll2[$key] = $element;
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}
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}
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return array(new static($coll1), new static($coll2));
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}
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/**
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* Returns a string representation of this object.
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*
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* @return string
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*/
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public function __toString()
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{
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return __CLASS__ . '@' . spl_object_hash($this);
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}
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/**
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* {@inheritDoc}
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*/
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public function clear()
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{
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$this->_elements = array();
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}
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/**
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* {@inheritDoc}
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*/
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public function slice($offset, $length = null)
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{
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return array_slice($this->_elements, $offset, $length, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function matching(Criteria $criteria)
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{
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$expr = $criteria->getWhereExpression();
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$filtered = $this->_elements;
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if ($expr) {
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$visitor = new ClosureExpressionVisitor();
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$filter = $visitor->dispatch($expr);
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$filtered = array_filter($filtered, $filter);
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}
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if ($orderings = $criteria->getOrderings()) {
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$next = null;
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foreach (array_reverse($orderings) as $field => $ordering) {
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$next = ClosureExpressionVisitor::sortByField($field, $ordering == 'DESC' ? -1 : 1, $next);
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}
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usort($filtered, $next);
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}
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$offset = $criteria->getFirstResult();
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$length = $criteria->getMaxResults();
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if ($offset || $length) {
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$filtered = array_slice($filtered, (int)$offset, $length);
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}
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return new static($filtered);
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}
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}
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