Файл: framework/core/manifest/ManifestCache.php
Строк: 88
<?php
/**
* A basic caching interface that manifests use to store data.
*
* @package framework
* @subpackage manifest
*/
interface ManifestCache {
public function __construct($name);
public function load($key);
public function save($data, $key);
public function clear();
}
/**
* Stores manifest data in files in TEMP_DIR dir on filesystem
*
* @package framework
* @subpackage manifest
*/
class ManifestCache_File implements ManifestCache {
function __construct($name) {
$this->folder = TEMP_FOLDER.'/'.$name;
if (!is_dir($this->folder)) mkdir($this->folder);
}
function load($key) {
$file = $this->folder.'/cache_'.$key;
return file_exists($file) ? unserialize(file_get_contents($file)) : null;
}
function save($data, $key) {
$file = $this->folder.'/cache_'.$key;
file_put_contents($file, serialize($data));
}
function clear() {
array_map('unlink', glob($this->folder.'/cache_*'));
}
}
/**
* Same as ManifestCache_File, but stores the data as valid PHP which gets included to load
* This is a bit faster if you have an opcode cache installed, but slower otherwise
*
* @package framework
* @subpackage manifest
*/
class ManifestCache_File_PHP extends ManifestCache_File {
function load($key) {
global $loaded_manifest;
$loaded_manifest = null;
$file = $this->folder.'/cache_'.$key;
if (file_exists($file)) include $file;
return $loaded_manifest;
}
function save($data, $key) {
$file = $this->folder.'/cache_'.$key;
file_put_contents($file, '<?php $loaded_manifest = '.var_export($data, true).';');
}
}
/**
* Stores manifest data in APC.
* Note: benchmarks seem to indicate this is not particularly faster than _File
*
* @package framework
* @subpackage manifest
*/
class ManifestCache_APC implements ManifestCache {
protected $pre;
function __construct($name) {
$this->pre = $name;
}
function load($key) {
return apc_fetch($this->pre.$key);
}
function save($data, $key) {
apc_store($this->pre.$key, $data);
}
function clear() {
}
}