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63 lines
1.2 KiB
PHP
63 lines
1.2 KiB
PHP
<?php
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/**
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* File cache class
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*
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* @package MyAAC
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* @author Slawkens <slawkens@gmail.com>
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* @copyright 2017 MyAAC
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* @version 0.0.1
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* @link http://my-aac.org
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*/
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defined('MYAAC') or die('Direct access not allowed!');
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class Cache_File
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{
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private $prefix = '';
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private $dir = '';
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private $enabled;
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public function __construct($prefix = '', $dir = '') {
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$this->prefix = $prefix;
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$this->dir = $dir;
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$this->enabled = (file_exists($this->dir) && is_dir($this->dir) && is_writable($this->dir));
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}
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public function set($key, $var, $ttl = 0)
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{
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$file = $this->_name($key);
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file_put_contents($file, $var);
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if($ttl != 0)
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touch($file, time() + $ttl);
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else
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touch($file, time() + 24 * 60 * 60);
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}
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public function get($key)
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{
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$tmp = '';
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if($this->fetch($key, $tmp))
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return $tmp;
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return '';
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}
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public function fetch($key, &$var)
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{
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$file = $this->_name($key);
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if(!file_exists($file) || filemtime($file) < time())
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return false;
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$var = file_get_contents($file);
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return true;
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}
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public function enabled() {
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return $this->enabled;
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}
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private function _name($key) {
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return sprintf("%s/%s%s", $this->dir, $this->prefix, sha1($key));
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}
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}
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?>
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