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Notice: unserialize() [function.unserialize]


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Sometimes i get this error massage in my prestashop 1.5.6

 

Notice: unserialize() [function.unserialize]: Unexpected end of serialized data in ...../public_html/classes/cache/CacheFs.php on line 40

 

In here is my cachefs.php file (line 40 red mark):

 

 

<?php

/*
* 2007-2013 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <[email protected]>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/
 
class CacheFsCore extends Cache
{
/**
* @var int Number of subfolders to dispatch cached filenames
*/
protected $depth;
 
protected function __construct()
{
$this->depth = Db::getInstance()->getValue('SELECT value FROM '._DB_PREFIX_.'configuration WHERE name= \'PS_CACHEFS_DIRECTORY_DEPTH\'', false);
 
$keys_filename = $this->getFilename(self::KEYS_NAME);
if (file_exists($keys_filename))
$this->keys = unserialize(file_get_contents($keys_filename));
}
 
/**
* @see Cache::_set()
*/
protected function _set($key, $value, $ttl = 0)
{
return (@file_put_contents($this->getFilename($key), serialize($value)));
}
 
/**
* @see Cache::_get()
*/
protected function _get($key)
{
if ($this->keys[$key] > 0 && $this->keys[$key] < time())
{
$this->delete($key);
return false;
}
 
$filename = $this->getFilename($key);
if (!file_exists($filename))
{
unset($this->keys[$key]);
$this->_writeKeys();
return false;
}
$file = file_get_contents($filename);
return unserialize($file);
}
 
/**
* @see Cache::_exists()
*/
protected function _exists($key)
{
if ($this->keys[$key] > 0 && $this->keys[$key] < time())
{
$this->delete($key);
return false;
}
 
return isset($this->keys[$key]) && file_exists($this->getFilename($key));
}
 
/**
* @see Cache::_delete()
*/
protected function _delete($key)
{
$filename = $this->getFilename($key);
if (!file_exists($filename))
return true;
return unlink($filename);
}
 
/**
* @see Cache::_writeKeys()
*/
protected function _writeKeys()
{
@file_put_contents($this->getFilename(self::KEYS_NAME), serialize($this->keys));
}
 
/**
* @see Cache::flush()
*/
public function flush()
{
$this->delete('*');
return true;
}
 
/**
* Delete cache directory
*/
public static function deleteCacheDirectory()
{
Tools::deleteDirectory(_PS_CACHEFS_DIRECTORY_, false);
}
 
/**
* Create cache directory
*
* @param int $level_depth
* @param string $directory
*/
public static function createCacheDirectories($level_depth, $directory = false)
{
if (!$directory)
$directory = _PS_CACHEFS_DIRECTORY_;
$chars = '0123456789abcdef';
for ($i = 0, $length = strlen($chars); $i < $length; $i++)
{
$new_dir = $directory.$chars[$i].'/';
if (mkdir($new_dir))
if (chmod($new_dir, 0777))
if ($level_depth - 1 > 0)
CacheFs::createCacheDirectories($level_depth - 1, $new_dir);
}
}
 
/**
* Transform a key into its absolute path
*
* @param string $key
* @return string
*/
protected function getFilename($key)
{
$key = md5($key);
$path = _PS_CACHEFS_DIRECTORY_;
for ($i = 0; $i < $this->depth; $i++)
$path .= $key[$i].'/';
 
return $path.$key;
}
}
 

 

Any one can solve this?

 

Thanks

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usually i get this massage when i 'clear smarty cache"

 

Notice: unserialize() [function.unserialize]: Error at offset 16365 of 16384 bytes in ****/public_html/classes/cache/CacheFs.php on line 40


Warning: Cannot modify header information - headers already sent by (output started at ***/public_html/classes/cache/CacheFs.php:40) in ****/public_html/classes/Tools.php on line 141

 

then i click refresh and back to normal. Any one know what just happened?

Edited by redmeteoric (see edit history)
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  • 3 weeks later...

usually i get this massage when i 'clear smarty cache"

 

 

then i click refresh and back to normal. Any one know what just happened?

I have same random error:

 

Notice: unserialize() [function.unserialize]: Error at offset 12283 of 12288 bytes in /home/proto/public_html/classes/cache/CacheFs.php on line 40

 

Warning: Cannot modify header information - headers already sent by (output started at /home/proto/public_html/classes/cache/CacheFs.php:40) in /home/proto/public_html/classes/controller/FrontController.php on line 790

 

Let me know if you solve this problem i have 1.6.0.6 last version

 

Thanks Tiz

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  • 2 years later...
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