88 lines
2.4 KiB
PHP
88 lines
2.4 KiB
PHP
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<?php
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/**
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* Zira project
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* cache.php
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* (c)2015 http://dro1d.ru
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*/
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namespace Zira;
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class Cache {
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public static function set($key, $data, $serialize=false) {
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if (!Config::get('caching')) return false;
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if ($serialize) {
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$data = serialize($data);
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}
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$cache_file = ROOT_DIR . DIRECTORY_SEPARATOR .
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CACHE_DIR . DIRECTORY_SEPARATOR .
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'.' . $key . '.cache';
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if (file_exists($cache_file)) chmod($cache_file, 0660);
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$f=fopen($cache_file,'wb');
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if (!$f) return false;
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fwrite($f, $data);
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fclose($f);
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@chmod($cache_file, 0000);
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return true;
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}
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public static function setArray($key, $data) {
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return self::set($key, $data, true);
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}
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public static function setObject($key, $data) {
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return self::set($key, $data, true);
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}
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protected static function isExpired($cache_file) {
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$mtime = filemtime($cache_file);
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return (time()-$mtime>Config::get('cache_lifetime'));
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}
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public static function get($key, $unserialize = false) {
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if (!Config::get('caching')) return false;
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$cache_file = ROOT_DIR . DIRECTORY_SEPARATOR .
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CACHE_DIR . DIRECTORY_SEPARATOR .
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'.' . $key . '.cache';
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if (!file_exists($cache_file)) return false;
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if (self::isExpired($cache_file)) return false;
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chmod($cache_file, 0440);
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$data = file_get_contents($cache_file);
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chmod($cache_file, 0000);
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if ($unserialize) {
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$data = unserialize($data);
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}
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return $data;
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}
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public static function getArray($key) {
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return self::get($key, true);
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}
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public static function getObject($key) {
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return self::get($key, true);
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}
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public static function clear($force=false) {
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if (!Config::get('caching') && !$force) return;
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$d = opendir(ROOT_DIR . DIRECTORY_SEPARATOR . CACHE_DIR);
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if (!$d) return;
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while(($f=readdir($d))!==false) {
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if ($f=='.' || $f=='..' || !is_file(ROOT_DIR . DIRECTORY_SEPARATOR . CACHE_DIR . DIRECTORY_SEPARATOR . $f)) continue;
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if (substr($f,-6)!='.cache') continue;
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@chmod(ROOT_DIR . DIRECTORY_SEPARATOR . CACHE_DIR . DIRECTORY_SEPARATOR . $f, 0660);
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@unlink(ROOT_DIR . DIRECTORY_SEPARATOR . CACHE_DIR . DIRECTORY_SEPARATOR . $f);
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}
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closedir($d);
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}
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}
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