86 lines
2.0 KiB
PHP
86 lines
2.0 KiB
PHP
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<?php
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/**
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* APC CacheResource
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* CacheResource Implementation based on the KeyValueStore API to use
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* memcache as the storage resource for Smarty's output caching.
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* *
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*
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* @package CacheResource-examples
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* @author Uwe Tews
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*/
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class Smarty_CacheResource_Apc extends Smarty_CacheResource_KeyValueStore
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{
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/**
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* Smarty_CacheResource_Apc constructor.
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*
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* @throws \Exception
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*/
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public function __construct()
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{
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// test if APC is present
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if (!function_exists('apc_cache_info')) {
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throw new Exception('APC Template Caching Error: APC is not installed');
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}
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}
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/**
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* Read values for a set of keys from cache
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*
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* @param array $keys list of keys to fetch
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*
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* @return array list of values with the given keys used as indexes
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* @return boolean true on success, false on failure
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*/
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protected function read(array $keys)
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{
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$_res = array();
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$res = apc_fetch($keys);
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foreach ($res as $k => $v) {
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$_res[ $k ] = $v;
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}
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return $_res;
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}
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/**
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* Save values for a set of keys to cache
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*
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* @param array $keys list of values to save
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* @param int $expire expiration time
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*
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* @return boolean true on success, false on failure
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*/
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protected function write(array $keys, $expire = null)
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{
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foreach ($keys as $k => $v) {
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apc_store($k, $v, $expire);
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}
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return true;
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}
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/**
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* Remove values from cache
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*
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* @param array $keys list of keys to delete
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*
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* @return boolean true on success, false on failure
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*/
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protected function delete(array $keys)
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{
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foreach ($keys as $k) {
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apc_delete($k);
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}
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return true;
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}
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/**
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* Remove *all* values from cache
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*
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* @return boolean true on success, false on failure
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*/
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protected function purge()
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{
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return apc_clear_cache('user');
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}
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}
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