Namespaces

• ICanBoogie
  • Session

Classes

• Flash
• NormalizeOptions
• Segment
• SegmentCollection

Interfaces

• CookieParams

Traits

• FlashTrait
• SegmentTrait

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<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <olivier.laviale@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\Session;

use ICanBoogie\SessionFlash;
use ICanBoogie\SessionSegment;

trait FlashTrait
{
    /**
     * @var SessionSegment
     */
    protected $segment;

    /**
     * @var array
     */
    protected $volatile = [];

    /**
     * @param SessionSegment $segment
     */
    public function __construct(SessionSegment $segment)
    {
        $this->segment = $segment;
    }

    /**
     * @inheritdoc
     */
    public function offsetExists($offset)
    {
        return isset($this->volatile[$offset]) || isset($this->get_flash_reference()[$offset]);
    }

    /**
     * @inheritdoc
     */
    public function &offsetGet($offset)
    {
        $reference = &$this->get_flash_reference();

        if (isset($reference[$offset]))
        {
            $this->volatile[$offset] = $reference[$offset];

            unset($reference[$offset]);
        }

        return $this->volatile[$offset];
    }

    /**
     * @inheritdoc
     */
    public function offsetSet($offset, $value)
    {
        $this->get_flash_reference()[$offset] = $this->volatile[$offset] = $value;
    }

    /**
     * @inheritdoc
     */
    public function offsetUnset($offset)
    {
        unset($this->volatile[$offset]);
        unset($this->get_flash_reference()[$offset]);
    }

    /**
     * Return the flash reference.
     *
     * @return array
     */
    protected function &get_flash_reference()
    {
        $reference = &$this->segment->reference[SessionFlash::SESSION_FLASH];

        if ($reference === null)
        {
            $reference = [];
        }

        return $reference;
    }
}