109 lines
2.5 KiB
PHP
109 lines
2.5 KiB
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\Cache\Traits;
|
|
|
|
use Psr\Log\LoggerAwareTrait;
|
|
use Symfony\Component\Cache\CacheItem;
|
|
|
|
/**
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
trait ArrayTrait
|
|
{
|
|
use LoggerAwareTrait;
|
|
|
|
private $storeSerialized;
|
|
private $values = array();
|
|
private $expiries = array();
|
|
|
|
/**
|
|
* Returns all cached values, with cache miss as null.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getValues()
|
|
{
|
|
return $this->values;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function hasItem($key)
|
|
{
|
|
CacheItem::validateKey($key);
|
|
|
|
return isset($this->expiries[$key]) && ($this->expiries[$key] >= time() || !$this->deleteItem($key));
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function clear()
|
|
{
|
|
$this->values = $this->expiries = array();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItem($key)
|
|
{
|
|
CacheItem::validateKey($key);
|
|
|
|
unset($this->values[$key], $this->expiries[$key]);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function reset()
|
|
{
|
|
$this->clear();
|
|
}
|
|
|
|
private function generateItems(array $keys, $now, $f)
|
|
{
|
|
foreach ($keys as $i => $key) {
|
|
try {
|
|
if (!$isHit = isset($this->expiries[$key]) && ($this->expiries[$key] >= $now || !$this->deleteItem($key))) {
|
|
$this->values[$key] = $value = null;
|
|
} elseif (!$this->storeSerialized) {
|
|
$value = $this->values[$key];
|
|
} elseif ('b:0;' === $value = $this->values[$key]) {
|
|
$value = false;
|
|
} elseif (false === $value = unserialize($value)) {
|
|
$this->values[$key] = $value = null;
|
|
$isHit = false;
|
|
}
|
|
} catch (\Exception $e) {
|
|
CacheItem::log($this->logger, 'Failed to unserialize key "{key}"', array('key' => $key, 'exception' => $e));
|
|
$this->values[$key] = $value = null;
|
|
$isHit = false;
|
|
}
|
|
unset($keys[$i]);
|
|
|
|
yield $key => $f($key, $value, $isHit);
|
|
}
|
|
|
|
foreach ($keys as $key) {
|
|
yield $key => $f($key, null, false);
|
|
}
|
|
}
|
|
}
|