150 lines
2.6 KiB
PHP
150 lines
2.6 KiB
PHP
<?php
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namespace b8\Cache;
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use b8\Type;
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class ApcCache implements Type\CacheInterface
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{
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/**
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* Check if caching is enabled.
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*
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* @return boolean
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*/
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public function isEnabled()
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{
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$rtn = false;
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$apcCli = ini_get('apc.enable_cli');
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if (function_exists('apc_fetch') && (php_sapi_name() != 'cli' || in_array($apcCli, ['1', 1, true, 'On']))) {
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$rtn = true;
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}
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return $rtn;
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}
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/**
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* Get item from the cache:
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*
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* @param string $key
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* @param mixed $default
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*
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* @return mixed
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*/
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public function get($key, $default = null)
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{
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if (!$this->isEnabled()) {
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return $default;
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}
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$success = false;
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$rtn = apc_fetch($key, $success);
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if (!$success) {
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$rtn = $default;
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}
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return $rtn;
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}
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/**
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* Add an item to the cache:
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*
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* @param string $key
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* @param mixed $value
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* @param integer $ttl
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*
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* @return array|bool
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*/
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public function set($key, $value = null, $ttl = 0)
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{
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if (!$this->isEnabled()) {
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return false;
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}
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return apc_store($key, $value, $ttl);
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}
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/**
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* Remove an item from the cache:
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*
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* @param string $key
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*
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* @return bool|string[]
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*/
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public function delete($key)
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{
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if (!$this->isEnabled()) {
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return false;
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}
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return apc_delete($key);
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}
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/**
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* Check if an item is in the cache:
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*
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* @param string $key
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*
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* @return bool|string[]
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*/
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public function contains($key)
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{
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if (!$this->isEnabled()) {
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return false;
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}
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return apc_exists($key);
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}
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/**
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* Short-hand syntax for get()
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*
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* @see Config::get()
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*
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* @param string $key
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*
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* @return mixed
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*/
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public function __get($key)
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{
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return $this->get($key, null);
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}
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/**
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* Short-hand syntax for set()
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*
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* @see Config::set()
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*
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* @param string $key
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* @param mixed $value
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*
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* @return array|bool
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*/
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public function __set($key, $value = null)
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{
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return $this->set($key, $value);
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}
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/**
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* Is set
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*
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* @param string $key
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*
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* @return bool|string[]
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*/
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public function __isset($key)
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{
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return $this->contains($key);
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}
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/**
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* Unset
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*
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* @param string $key
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*/
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public function __unset($key)
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{
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$this->delete($key);
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}
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}
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