mirror of
https://github.com/slawkens/myaac.git
synced 2025-04-27 01:39:22 +02:00
78 lines
1.5 KiB
PHP
78 lines
1.5 KiB
PHP
<?php
|
|
/**
|
|
* PHP cache class
|
|
*
|
|
* @package MyAAC
|
|
* @author Slawkens <slawkens@gmail.com>
|
|
* @copyright 2017 MyAAC
|
|
* @link http://my-aac.org
|
|
*/
|
|
defined('MYAAC') or die('Direct access not allowed!');
|
|
|
|
class Cache_PHP
|
|
{
|
|
private $prefix;
|
|
private $dir;
|
|
private $enabled;
|
|
|
|
public function __construct($prefix = '', $dir = '') {
|
|
$this->prefix = $prefix;
|
|
$this->dir = $dir;
|
|
$this->enabled = (file_exists($this->dir) && is_dir($this->dir) && is_writable($this->dir));
|
|
}
|
|
|
|
public function set($key, $var, $ttl = 0)
|
|
{
|
|
$var = var_export($var, true);
|
|
|
|
// Write to temp file first to ensure atomicity
|
|
$tmp = $this->dir . "tmp_$key." . uniqid('', true) . '.tmp';
|
|
file_put_contents($tmp, '<?php $var = ' . $var . ';', LOCK_EX);
|
|
|
|
$file = $this->_name($key);
|
|
rename($tmp, $file);
|
|
if($ttl !== 0) {
|
|
touch($file, time() + $ttl);
|
|
}
|
|
else {
|
|
touch($file, time() + 24 * 60 * 60);
|
|
}
|
|
}
|
|
|
|
public function get($key)
|
|
{
|
|
$tmp = '';
|
|
if($this->fetch($key, $tmp))
|
|
return $tmp;
|
|
|
|
return '';
|
|
}
|
|
|
|
public function fetch($key, &$var)
|
|
{
|
|
$file = $this->_name($key);
|
|
if(!file_exists($file) || filemtime($file) < time())
|
|
return false;
|
|
|
|
@include $file;
|
|
$var = isset($var) ? $var : null;
|
|
return true;
|
|
}
|
|
|
|
public function delete($key)
|
|
{
|
|
$file = $this->_name($key);
|
|
if(file_exists($file))
|
|
unlink($file);
|
|
}
|
|
|
|
public function enabled() {
|
|
return $this->enabled;
|
|
}
|
|
|
|
private function _name($key) {
|
|
return sprintf('%s%s%s', $this->dir, $this->prefix, sha1($key) . '.php');
|
|
}
|
|
}
|
|
?>
|