Fayl: system/core/Lang.php
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_gu ... .html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/

// ------------------------------------------------------------------------

/**
* Language Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Language
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_gu ... .html
*/
class CI_Lang {

/**
* List of translations
*
* @var array
*/
var $language = array();
/**
* List of loaded language files
*
* @var array
*/
var $is_loaded = array();

/**
* Constructor
*
* @access public
*/
function __construct()
{
log_message('debug', "Language Class Initialized");
}

// --------------------------------------------------------------------

/**
* Load a language file
*
* @access public
* @param mixed the name of the language file to be loaded. Can be an array
* @param string the language (english, etc.)
* @param bool return loaded array of translations
* @param bool add suffix to $langfile
* @param string alternative path to look for language file
* @return mixed
*/
function load($langfile = '', $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
{
$langfile = str_replace('.php', '', $langfile);

if ($add_suffix == TRUE)
{
$langfile = str_replace('_lang.', '', $langfile).'_lang';
}

$langfile .= '.php';

if (in_array($langfile, $this->is_loaded, TRUE))
{
return;
}

$config =& get_config();

if ($idiom == '')
{
$deft_lang = ( ! isset($config['language'])) ? 'english' : $config['language'];
$idiom = ($deft_lang == '') ? 'english' : $deft_lang;
}

// Determine where the language file is and load it
if ($alt_path != '' && file_exists($alt_path.'language/'.$idiom.'/'.$langfile))
{
include($alt_path.'language/'.$idiom.'/'.$langfile);
}
else
{
$found = FALSE;

foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
{
if (file_exists($package_path.'language/'.$idiom.'/'.$langfile))
{
include($package_path.'language/'.$idiom.'/'.$langfile);
$found = TRUE;
break;
}
}

if ($found !== TRUE)
{
show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
}
}


if ( ! isset($lang))
{
log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
return;
}

if ($return == TRUE)
{
return $lang;
}

$this->is_loaded[] = $langfile;
$this->language = array_merge($this->language, $lang);
unset($lang);

log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
return TRUE;
}

// --------------------------------------------------------------------

/**
* Fetch a single line of text from the language array
*
* @access public
* @param string $line the language line
* @return string
*/
function line($line = '')
{
$value = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];

// Because killer robots like unicorns!
if ($value === FALSE)
{
log_message('error', 'Could not find the language line "'.$line.'"');
}

return $value;
}

}
// END Language Class

/* End of file Lang.php */
/* Location: ./system/core/Lang.php */
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