Current File : //proc/1857783/root/var/www/tif-dev/wp-content/plugins/lazy-blocks/vendor/Handlebars/Cache/Disk.php
<?php
/**
* This file is part of Handlebars-php
* Base on mustache-php https://github.com/bobthecow/mustache.php
*
* PHP version 5.3
*
* @category Xamin
* @package Handlebars
* @author Alex Soncodi <alex@brokerloop.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @author Mária Šormanová <maria.sormanova@gmail.com>
* @copyright 2013 (c) Brokerloop, Inc.
* @copyright 2013 (c) Behrooz Shabani
* @license MIT <http://opensource.org/licenses/MIT>
* @version GIT: $Id$
* @link http://xamin.ir
*/
namespace Handlebars\Cache;
use Handlebars\Cache;
/**
* A flat-file filesystem cache.
*
* @category Xamin
* @package Handlebars
* @author Alex Soncodi <alex@brokerloop.com>
* @author Mária Šormanová <maria.sormanova@gmail.com>
* @copyright 2013 (c) Brokerloop, Inc.
* @license MIT <http://opensource.org/licenses/MIT>
* @version Release: @package_version@
* @link http://xamin.ir
*/
class Disk implements Cache
{
private $_path = '';
private $_prefix = '';
private $_suffix = '';
/**
* Construct the disk cache.
*
* @param string $path Filesystem path to the disk cache location
* @param string $prefix optional file prefix, defaults to empty string
* @param string $suffix optional file extension, defaults to empty string
*
* @throws \RuntimeException
* @throws \InvalidArgumentException
*/
public function __construct($path, $prefix = '', $suffix = '')
{
if (empty($path)) {
throw new \InvalidArgumentException('Must specify disk cache path');
} elseif (!is_dir($path)) {
@mkdir($path, 0777, true);
if (!is_dir($path)) {
throw new \RuntimeException('Could not create cache file path');
}
}
$this->_path = $path;
$this->_prefix = $prefix;
$this->_suffix = $suffix;
}
/**
* Gets the full disk path for a given cache item's file,
* taking into account the cache path, optional prefix,
* and optional extension.
*
* @param string $name Name of the cache item
*
* @return string full disk path of cached item
*/
private function _getPath($name)
{
return $this->_path . DIRECTORY_SEPARATOR .
$this->_prefix . $name . $this->_suffix;
}
/**
* Get cache for $name if it exists
* and if the cache is not older than defined TTL.
*
* @param string $name Cache id
*
* @return mixed data on hit, boolean false on cache not found/expired
*/
public function get($name)
{
$path = $this->_getPath($name);
$output = false;
if (file_exists($path)) {
$file = fopen($path, "r");
$ttl = fgets($file);
$ctime = filectime($path);
$time = time();
if ($ttl == -1 || ($ttl > 0 && $time - $ctime > $ttl)) {
unlink($path);
} else {
$serialized_data = fread($file, filesize($path));
$output = unserialize($serialized_data);
}
fclose($file);
}
return $output;
}
/**
* Set a cache with $ttl, if present
* If $ttl set to -1, the cache expires immediately
* If $ttl set to 0 (default), cache is never purged
*
* @param string $name cache id
* @param mixed $value data to store
* @param int $ttl time to live in seconds
*
* @return void
*/
public function set($name, $value, $ttl = 0)
{
$path = $this->_getPath($name);
file_put_contents($path, $ttl.PHP_EOL.serialize($value));
}
/**
* Remove cache
*
* @param string $name Cache id
*
* @return void
*/
public function remove($name)
{
$path = $this->_getPath($name);
unlink($path);
}
}
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