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ApcStore.php	2.455KB	edt ren
ApcWrapper.php	1.93KB	edt ren
ArrayLock.php	2.099KB	edt ren
ArrayStore.php	4.674KB	edt ren
CacheLock.php	1.794KB	edt ren
CacheManager.php	10.639KB	edt ren
CacheServiceProvider.php	1.318KB	edt ren
DatabaseLock.php	3.761KB	edt ren
DatabaseStore.php	10.863KB	edt ren
DynamoDbLock.php	1.545KB	edt ren
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FileLock.php	0.265KB	edt ren
FileStore.php	9.673KB	edt ren
HasCacheLock.php	0.665KB	edt ren
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<?php

namespace Illuminate\Cache;

use Illuminate\Contracts\Cache\LockProvider;
use Illuminate\Support\InteractsWithTime;
use Memcached;
use ReflectionMethod;

class MemcachedStore extends TaggableStore implements LockProvider
{
    use InteractsWithTime;

/**
     * The Memcached instance.
     *
     * @var \Memcached
     */
    protected $memcached;

/**
     * A string that should be prepended to keys.
     *
     * @var string
     */
    protected $prefix;

/**
     * Indicates whether we are using Memcached version >= 3.0.0.
     *
     * @var bool
     */
    protected $onVersionThree;

/**
     * Create a new Memcached store.
     *
     * @param  \Memcached  $memcached
     * @param  string  $prefix
     * @return void
     */
    public function __construct($memcached, $prefix = '')
    {
        $this->setPrefix($prefix);
        $this->memcached = $memcached;

$this->onVersionThree = (new ReflectionMethod('Memcached', 'getMulti'))
                            ->getNumberOfParameters() == 2;
    }

/**
     * Retrieve an item from the cache by key.
     *
     * @param  string  $key
     * @return mixed
     */
    public function get($key)
    {
        $value = $this->memcached->get($this->prefix.$key);

if ($this->memcached->getResultCode() == 0) {
            return $value;
        }
    }

/**
     * Retrieve multiple items from the cache by key.
     *
     * Items not found in the cache will have a null value.
     *
     * @param  array  $keys
     * @return array
     */
    public function many(array $keys)
    {
        $prefixedKeys = array_map(function ($key) {
            return $this->prefix.$key;
        }, $keys);

if ($this->onVersionThree) {
            $values = $this->memcached->getMulti($prefixedKeys, Memcached::GET_PRESERVE_ORDER);
        } else {
            $null = null;

$values = $this->memcached->getMulti($prefixedKeys, $null, Memcached::GET_PRESERVE_ORDER);
        }

if ($this->memcached->getResultCode() != 0) {
            return array_fill_keys($keys, null);
        }

return array_combine($keys, $values);
    }

/**
     * Store an item in the cache for a given number of seconds.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @param  int  $seconds
     * @return bool
     */
    public function put($key, $value, $seconds)
    {
        return $this->memcached->set(
            $this->prefix.$key, $value, $this->calculateExpiration($seconds)
        );
    }

/**
     * Store multiple items in the cache for a given number of seconds.
     *
     * @param  array  $values
     * @param  int  $seconds
     * @return bool
     */
    public function putMany(array $values, $seconds)
    {
        $prefixedValues = [];

foreach ($values as $key => $value) {
            $prefixedValues[$this->prefix.$key] = $value;
        }

return $this->memcached->setMulti(
            $prefixedValues, $this->calculateExpiration($seconds)
        );
    }

/**
     * Store an item in the cache if the key doesn't exist.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @param  int  $seconds
     * @return bool
     */
    public function add($key, $value, $seconds)
    {
        return $this->memcached->add(
            $this->prefix.$key, $value, $this->calculateExpiration($seconds)
        );
    }

/**
     * Increment the value of an item in the cache.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return int|bool
     */
    public function increment($key, $value = 1)
    {
        return $this->memcached->increment($this->prefix.$key, $value);
    }

/**
     * Decrement the value of an item in the cache.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return int|bool
     */
    public function decrement($key, $value = 1)
    {
        return $this->memcached->decrement($this->prefix.$key, $value);
    }

/**
     * Store an item in the cache indefinitely.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return bool
     */
    public function forever($key, $value)
    {
        return $this->put($key, $value, 0);
    }

/**
     * Get a lock instance.
     *
     * @param  string  $name
     * @param  int  $seconds
     * @param  string|null  $owner
     * @return \Illuminate\Contracts\Cache\Lock
     */
    public function lock($name, $seconds = 0, $owner = null)
    {
        return new MemcachedLock($this->memcached, $this->prefix.$name, $seconds, $owner);
    }

/**
     * Restore a lock instance using the owner identifier.
     *
     * @param  string  $name
     * @param  string  $owner
     * @return \Illuminate\Contracts\Cache\Lock
     */
    public function restoreLock($name, $owner)
    {
        return $this->lock($name, 0, $owner);
    }

/**
     * Remove an item from the cache.
     *
     * @param  string  $key
     * @return bool
     */
    public function forget($key)
    {
        return $this->memcached->delete($this->prefix.$key);
    }

/**
     * Remove all items from the cache.
     *
     * @return bool
     */
    public function flush()
    {
        return $this->memcached->flush();
    }

/**
     * Get the expiration time of the key.
     *
     * @param  int  $seconds
     * @return int
     */
    protected function calculateExpiration($seconds)
    {
        return $this->toTimestamp($seconds);
    }

/**
     * Get the UNIX timestamp for the given number of seconds.
     *
     * @param  int  $seconds
     * @return int
     */
    protected function toTimestamp($seconds)
    {
        return $seconds > 0 ? $this->availableAt($seconds) : 0;
    }

/**
     * Get the underlying Memcached connection.
     *
     * @return \Memcached
     */
    public function getMemcached()
    {
        return $this->memcached;
    }

/**
     * Get the cache key prefix.
     *
     * @return string
     */
    public function getPrefix()
    {
        return $this->prefix;
    }

/**
     * Set the cache key prefix.
     *
     * @param  string  $prefix
     * @return void
     */
    public function setPrefix($prefix)
    {
        $this->prefix = ! empty($prefix) ? $prefix.':' : '';
    }
}