mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-02-28 15:10:54 +03:00
137 lines
2.6 KiB
PHP
137 lines
2.6 KiB
PHP
<?php
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if (!defined('BB_ROOT')) die(basename(__FILE__));
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class cache_file extends cache_common
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{
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var $used = true;
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var $engine = 'Filecache';
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var $dir = null;
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var $prefix = null;
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function cache_file ($dir, $prefix = null)
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{
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$this->dir = $dir;
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$this->prefix = $prefix;
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$this->dbg_enabled = sql_dbg_enabled();
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}
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function get ($name, $get_miss_key_callback = '', $ttl = 0)
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{
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$filename = $this->dir . clean_filename($this->prefix . $name) . '.php';
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$this->cur_query = "cache->get('$name')";
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$this->debug('start');
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if (file_exists($filename) && is_readable($filename))
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{
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require($filename);
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}
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$this->debug('stop');
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$this->cur_query = null;
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return (!empty($filecache['value'])) ? $filecache['value'] : false;
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}
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function set ($name, $value, $ttl = 86400)
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{
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if (!function_exists('var_export'))
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{
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return false;
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}
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$this->cur_query = "cache->set('$name')";
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$this->debug('start');
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$filename = $this->dir . clean_filename($this->prefix . $name) . '.php';
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$expire = TIMENOW + $ttl;
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$cache_data = array(
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'expire' => $expire,
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'value' => $value,
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);
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$filecache = "<?php\n";
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$filecache .= "if (!defined('BB_ROOT')) die(basename(__FILE__));\n";
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$filecache .= '$filecache = ' . var_export($cache_data, true) . ";\n";
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$filecache .= '?>';
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$this->debug('stop');
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$this->cur_query = null;
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$this->num_queries++;
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return (bool) file_write($filecache, $filename, false, true, true);
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}
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function rm ($name = '')
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{
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$clear = false;
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if ($name)
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{
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$this->cur_query = "cache->rm('$name')";
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$this->debug('start');
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$filename = $this->dir . clean_filename($this->prefix . $name) . '.php';
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if (file_exists($filename))
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{
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$clear = (bool) unlink($filename);
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}
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$this->debug('stop');
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$this->cur_query = null;
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$this->num_queries++;
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}
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else
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{
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if (is_dir($this->dir))
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{
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if ($dh = opendir($this->dir))
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{
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while (($file = readdir($dh)) !== false)
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{
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if ($file != "." && $file != "..")
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{
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$filename = $this->dir . $file;
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unlink($filename);
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$clear = true;
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}
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}
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closedir($dh);
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}
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}
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}
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return $clear;
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}
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function gc ($expire_time = TIMENOW)
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{
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$clear = false;
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if (is_dir($this->dir))
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{
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if ($dh = opendir($this->dir))
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{
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while (($file = readdir($dh)) !== false)
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{
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if ($file != "." && $file != "..")
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{
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$filename = $this->dir . $file;
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require($filename);
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if(!empty($filecache['expire']) && ($filecache['expire'] < $expire_time))
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{
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unlink($filename);
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$clear = true;
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}
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}
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}
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closedir($dh);
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}
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}
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return $clear;
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}
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}
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