vendor/maximebf/debugbar/src/DebugBar/Storage/MemcachedStorage.php

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<?php
/*
 * This file is part of the DebugBar package.
 *
 * (c) 2013 Maxime Bouroumeau-Fuseau
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace DebugBar\Storage;

use Memcached;
use ReflectionMethod;

/**
 * Stores collected data into Memcache using the Memcached extension
 */
class MemcachedStorage implements StorageInterface
{
    protected $memcached;

    protected $keyNamespace;

    protected $expiration;

    protected $newGetMultiSignature;

    /**
     * @param Memcached $memcached
     * @param string $keyNamespace Namespace for Memcached key names (to avoid conflict with other Memcached users).
     * @param int $expiration Expiration for Memcached entries (see Expiration Times in Memcached documentation).
     */
    public function __construct(Memcached $memcached, $keyNamespace = 'phpdebugbar', $expiration = 0)
    {
        $this->memcached = $memcached;
        $this->keyNamespace = $keyNamespace;
        $this->expiration = $expiration;
    }

    /**
     * {@inheritdoc}
     */
    public function save($id, $data)
    {
        $key = $this->createKey($id);
        $this->memcached->set($key, $data, $this->expiration);
        if (!$this->memcached->append($this->keyNamespace, "|$key")) {
            $this->memcached->set($this->keyNamespace, $key, $this->expiration);
        } else if ($this->expiration) {
            // append doesn't support updating expiration, so do it here:
            $this->memcached->touch($this->keyNamespace, $this->expiration);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function get($id)
    {