ArrayCollection.php in Zircon Profile 8

Namespace

Doctrine\Common\Collections

File

vendor/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php

<?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.
 *
 * @since  2.0
 * @author Guilherme Blanco <[e-mail]>
 * @author Jonathan Wage <[e-mail]>
 * @author Roman Borschel <[e-mail]>
 */
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;
  }

  /**
   * {@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($value) {
    $this->elements[] = $value;
    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 $func) {
    return new static(array_map($func, $this->elements));
  }

  /**
   * {@inheritDoc}
   */
  public function filter(Closure $p) {
    return new static(array_filter($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] = $element;
      }
    }
    return array(
      new static($matches),
      new static($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 = $criteria
      ->getOrderings()) {
      foreach (array_reverse($orderings) as $field => $ordering) {
        $next = ClosureExpressionVisitor::sortByField($field, $ordering == Criteria::DESC ? -1 : 1);
      }
      uasort($filtered, $next);
    }
    $offset = $criteria
      ->getFirstResult();
    $length = $criteria
      ->getMaxResults();
    if ($offset || $length) {
      $filtered = array_slice($filtered, (int) $offset, $length);
    }
    return new static($filtered);
  }

}

Classes

Name	Description
ArrayCollection	An ArrayCollection is a Collection implementation that wraps a regular PHP array.