\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/php53/usr/share/pear/Symfony/Component/Form/Util/

Viewing File: OrderedHashMapIterator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Form\Util;

/**
 * Iterator for {@link OrderedHashMap} objects.
 *
 * This class is internal and should not be used.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 *
 * @since 2.2.6
 */
class OrderedHashMapIterator implements \Iterator
{
    /**
     * @var array
     */
    private $elements;

    /**
     * @var array
     */
    private $orderedKeys;

    /**
     * @var integer
     */
    private $cursor;

    /**
     * @var integer
     */
    private $cursorId;

    /**
     * @var array
     */
    private $managedCursors;

    /**
     * @var string|integer|null
     */
    private $key;

    /**
     * @var mixed
     */
    private $current;

    /**
     * Creates a new iterator.
     *
     * @param array $elements       The elements of the map, indexed by their
     *                              keys.
     * @param array $orderedKeys    The keys of the map in the order in which
     *                              they should be iterated.
     * @param array $managedCursors An array from which to reference the
     *                              iterator's cursor as long as it is alive.
     *                              This array is managed by the corresponding
     *                              {@link OrderedHashMap} instance to support
     *                              recognizing the deletion of elements.
     *
     * @since 2.2.6
     */
    public function __construct(array &$elements, array &$orderedKeys, array &$managedCursors)
    {
        $this->elements = &$elements;
        $this->orderedKeys = &$orderedKeys;
        $this->managedCursors = &$managedCursors;
        $this->cursorId = count($managedCursors);

        $this->managedCursors[$this->cursorId] = &$this->cursor;
    }

    /**
     * Removes the iterator's cursors from the managed cursors of the
     * corresponding {@link OrderedHashMap} instance.
     *
     * @since 2.2.6
     */
    public function __destruct()
    {
        // Use array_splice() instead of isset() to prevent holes in the
        // array indices, which would break the initialization of $cursorId
        array_splice($this->managedCursors, $this->cursorId, 1);
    }

    /**
     *{@inheritdoc}
     *
     * @since 2.2.6
     */
    public function current()
    {
        return $this->current;
    }

    /**
     * {@inheritdoc}
     *
     * @since 2.2.6
     */
    public function next()
    {
        ++$this->cursor;

        if (isset($this->orderedKeys[$this->cursor])) {
            $this->key = $this->orderedKeys[$this->cursor];
            $this->current = $this->elements[$this->key];
        } else {
            $this->key = null;
            $this->current = null;
        }
    }

    /**
     *{@inheritdoc}
     *
     * @since 2.2.6
     */
    public function key()
    {
        return $this->key;
    }

    /**
     *{@inheritdoc}
     *
     * @since 2.2.6
     */
    public function valid()
    {
        return null !== $this->key;
    }

    /**
     *{@inheritdoc}
     *
     * @since 2.2.6
     */
    public function rewind()
    {
        $this->cursor = 0;

        if (isset($this->orderedKeys[0])) {
            $this->key = $this->orderedKeys[0];
            $this->current = $this->elements[$this->key];
        } else {
            $this->key = null;
            $this->current = null;
        }
    }
}