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Viewing changes to IlohaMail/include/cache.FS.inc

  • Committer: Bazaar Package Importer
  • Author(s): Joerg Jaspert
  • Date: 2004-02-04 13:44:37 UTC
  • Revision ID: james.westby@ubuntu.com-20040204134437-kz8j3ui2qa7oq8z2
Tags: upstream-0.8.12
Import upstream version 0.8.12

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IlohaMail/include/cache.FS.inc
 
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<?php
 
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/////////////////////////////////////////////////////////
 
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//      
 
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//      include/cache.FS.inc
 
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//
 
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//      (C)Copyright 2003 Ryo Chijiiwa <Ryo@IlohaMail.org>
 
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//
 
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//      This file is part of IlohaMail, and released under GPL.
 
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//      See COPYING, or http://www.fsf.org/copyleft/gpl.html
 
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//
 
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/////////////////////////////////////////////////////////
 
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/********************************************************
 
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        PURPOSE: Unified interface to read/write cache
 
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********************************************************/
 
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function cache_read($user, $host, $key){
 
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        global $CACHE_DIR;
 
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        //check if file is there
 
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        $user_dir = ereg_replace("[\\/]", "", $user.".".$host);
 
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        $path = $CACHE_DIR.$user_dir."/".$key;
 
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        if (!@file_exists(realpath($path))) return false;
 
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        //open file
 
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        $fp = fopen($path, "r");
 
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        if (!$fp) return false;
 
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        //read data
 
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        $data = false;
 
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        $data = fread($fp, filesize($path));
 
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        if ($data) $data = unserialize($data);
 
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        fclose($fp);
 
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        return $data;
 
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}
 
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function cache_write($user, $host, $key, $data){
 
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        global $CACHE_DIR;
 
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        //open file for writing
 
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        $user_dir = ereg_replace("[\\/]", "", $user.".".$host);
 
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        $path = $CACHE_DIR.$user_dir."/".$key;
 
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        $fp = @fopen($path, "w");
 
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        if (!$fp) return false;
 
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        //write data
 
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        fputs($fp, serialize($data));
 
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        fclose($fp);
 
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        return true;
 
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}
 
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function cache_clear($user, $host, $key){
 
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        global $CACHE_DIR;
 
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        //check if file is there
 
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        $user_dir = ereg_replace("[\\/]", "", $user.".".$host);
 
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        $path = $CACHE_DIR.$user_dir."/".$key;
 
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        if (!@file_exists(realpath($path))) return false;
 
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        else return unlink($path);
 
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}
 
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function cache_clear_all($user, $host){
 
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        global $CACHE_DIR;
 
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        //delete cache files
 
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        $cacheDir = $CACHE_DIR.ereg_replace("[\\/]", "", $user.".".$host);
 
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        if (@is_dir(realpath($cacheDir))){
 
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                if ($handle = opendir($cacheDir)) {
 
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                        while (false !== ($file = readdir($handle))) { 
 
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                                if ($file != "." && $file != "..") { 
 
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                                        $file_path = $cacheDir."/".$file;
 
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                                        unlink($file_path);
 
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                                } 
 
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                        }
 
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                        closedir($handle); 
 
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                }
 
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        }
 
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}
 
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?>