Language.php

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<?php
// FleaPHP Framework
//
// Copyright (c) 2005 - 2008 QeeYuan China Inc. (http://www.qeeyuan.com)
//
// 许可协议，请查看源代码中附带的 LICENSE.txt 文件，
// 或者访问 http://www.fleaphp.org/ 获得详细信息。

function _T($key, $language = '')
{
    static $instance = null;
    if (!isset($instance['obj'])) {
        $instance = array();
        $obj =& FLEA::getSingleton('FLEA_Language');
        $instance = array('obj' => & $obj);
    }
    return $instance['obj']->get($key, $language);
}

function load_language($dictname, $language = '', $noException = false)
{
    static $instance = null;
    if (!isset($instance['obj'])) {
        $instance = array();
        $obj =& FLEA::getSingleton('FLEA_Language');
        $instance = array('obj' => & $obj);
    }
    return $instance['obj']->load($dictname, $language, $noException);
}

class FLEA_Language
{
    var $_dict = array();

    var $_loadedFiles = array();

    function FLEA_Language()
    {
        $autoload = FLEA::getAppInf('autoLoadLanguage');
        if (!is_array($autoload)) {
            $autoload = explode(',', $autoload);
        }
        foreach ($autoload as $load) {
            $load = trim($load);
            if ($load != '') {
                $this->load($load);
            }
        }
    }

    function load($dictname, $language = '', $noException = false)
    {
        $dictnames = explode(',', $dictname);
        foreach ($dictnames as $dictname) {
            $dictname = trim($dictname);
            if ($dictname == '') { continue; }

            $dictname = preg_replace('/[^a-z0-9\-_]+/i', '', strtolower($dictname));
            $language = preg_replace('/[^a-z0-9\-_]+/i', '', strtolower($language));
            if ($language == '') {
                $language = FLEA::getAppInf('defaultLanguage');
                $default = true;
            } else {
                $default = false;
            }

            $filename = FLEA::getAppInf('languageFilesDir') . DS .
                $language . DS . $dictname . '.php';
            if (isset($this->_loadedFiles[$filename])) { continue; }

            if (is_readable($filename)) {
                $dict = require($filename);
                $this->_loadedFiles[$filename] = true;
                if (isset($this->_dict[$language])) {
                    $this->_dict[$language] = array_merge($this->_dict[$language], $dict);
                } else {
                    $this->_dict[$language] = $dict;
                }
                if ($default) {
                    $this->_dict[0] =& $this->_dict[$language];
                }
            } else if (!$noException) {
                FLEA::loadClass('FLEA_Exception_ExpectedFile');
                return __THROW(new FLEA_Exception_ExpectedFile($filename));
            }
        }
    }

    function get($key, $language = '')
    {
        if ($language == '') { $language = 0; }
        return isset($this->_dict[$language][$key]) ?
            $this->_dict[$language][$key] :
            $key;
    }
}

---