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| Current File : /home1/savoy/public_html/savoyglobal.net/eduplus1/system/core/Config.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_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Config Class
*
* This class contains functions that enable config files to be managed
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/config.html
*/
class CI_Config {
/**
* List of all loaded config values
*
* @var array
*/
var $config = array();
/**
* List of all loaded config files
*
* @var array
*/
var $is_loaded = array();
/**
* List of paths to search when trying to load a config file
*
* @var array
*/
var $_config_paths = array(APPPATH);
/**
* Constructor
*
* Sets the $config data from the primary config.php file as a class variable
*
* @access public
* @param string the config file name
* @param boolean if configuration values should be loaded into their own section
* @param boolean true if errors should just return false, false if an error message should be displayed
* @return boolean if the file was successfully loaded or not
*/
function __construct()
{
$this->config =& get_config();
log_message('debug', "Config Class Initialized");
// Set the base_url automatically if none was provided
if ($this->config['base_url'] == '')
{
if (isset($_SERVER['HTTP_HOST']))
{
$base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
$base_url .= '://'. $_SERVER['HTTP_HOST'];
$base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
}
else
{
$base_url = 'http://localhost/';
}
$this->set_item('base_url', $base_url);
}
}
// --------------------------------------------------------------------
/**
* Load Config File
*
* @access public
* @param string the config file name
* @param boolean if configuration values should be loaded into their own section
* @param boolean true if errors should just return false, false if an error message should be displayed
* @return boolean if the file was loaded correctly
*/
function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$file = ($file == '') ? 'config' : str_replace('.php', '', $file);
$found = FALSE;
$loaded = FALSE;
$check_locations = defined('ENVIRONMENT')
? array(ENVIRONMENT.'/'.$file, $file)
: array($file);
foreach ($this->_config_paths as $path)
{
foreach ($check_locations as $location)
{
$file_path = $path.'config/'.$location.'.php';
if (in_array($file_path, $this->is_loaded, TRUE))
{
$loaded = TRUE;
continue 2;
}
if (file_exists($file_path))
{
$found = TRUE;
break;
}
}
if ($found === FALSE)
{
continue;
}
include($file_path);
if ( ! isset($config) OR ! is_array($config))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.');
}
if ($use_sections === TRUE)
{
if (isset($this->config[$file]))
{
$this->config[$file] = array_merge($this->config[$file], $config);
}
else
{
$this->config[$file] = $config;
}
}
else
{
$this->config = array_merge($this->config, $config);
}
$this->is_loaded[] = $file_path;
unset($config);
$loaded = TRUE;
log_message('debug', 'Config file loaded: '.$file_path);
break;
}
if ($loaded === FALSE)
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('The configuration file '.$file.'.php does not exist.');
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item
*
*
* @access public
* @param string the config item name
* @param string the index name
* @param bool
* @return string
*/
function item($item, $index = '')
{
if ($index == '')
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
$pref = $this->config[$item];
}
else
{
if ( ! isset($this->config[$index]))
{
return FALSE;
}
if ( ! isset($this->config[$index][$item]))
{
return FALSE;
}
$pref = $this->config[$index][$item];
}
return $pref;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item - adds slash after item (if item is not empty)
*
* @access public
* @param string the config item name
* @param bool
* @return string
*/
function slash_item($item)
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
if( trim($this->config[$item]) == '')
{
return '';
}
return rtrim($this->config[$item], '/').'/';
}
// --------------------------------------------------------------------
/**
* Site URL
* Returns base_url . index_page [. uri_string]
*
* @access public
* @param string the URI string
* @return string
*/
function site_url($uri = '')
{
if ($uri == '')
{
return $this->slash_item('base_url').$this->item('index_page');
}
if ($this->item('enable_query_strings') == FALSE)
{
$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
return $this->slash_item('base_url').$this->slash_item('index_page').$this->_uri_string($uri).$suffix;
}
else
{
return $this->slash_item('base_url').$this->item('index_page').'?'.$this->_uri_string($uri);
}
}
// -------------------------------------------------------------
/**
* Base URL
* Returns base_url [. uri_string]
*
* @access public
* @param string $uri
* @return string
*/
function base_url($uri = '')
{
return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/');
}
// -------------------------------------------------------------
/**
* Build URI string for use in Config::site_url() and Config::base_url()
*
* @access protected
* @param $uri
* @return string
*/
protected function _uri_string($uri)
{
if ($this->item('enable_query_strings') == FALSE)
{
if (is_array($uri))
{
$uri = implode('/', $uri);
}
$uri = trim($uri, '/');
}
else
{
if (is_array($uri))
{
$i = 0;
$str = '';
foreach ($uri as $key => $val)
{
$prefix = ($i == 0) ? '' : '&';
$str .= $prefix.$key.'='.$val;
$i++;
}
$uri = $str;
}
}
return $uri;
}
// --------------------------------------------------------------------
/**
* System URL
*
* @access public
* @return string
*/
function system_url()
{
$x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));
return $this->slash_item('base_url').end($x).'/';
}
// --------------------------------------------------------------------
/**
* Set a config file item
*
* @access public
* @param string the config item key
* @param string the config item value
* @return void
*/
function set_item($item, $value)
{
$this->config[$item] = $value;
}
// --------------------------------------------------------------------
/**
* Assign to Config
*
* This function is called by the front controller (CodeIgniter.php)
* after the Config class is instantiated. It permits config items
* to be assigned or overriden by variables contained in the index.php file
*
* @access private
* @param array
* @return void
*/
function _assign_to_config($items = array())
{
if (is_array($items))
{
foreach ($items as $key => $val)
{
$this->set_item($key, $val);
}
}
}
}
// END CI_Config class
/* End of file Config.php */
/* Location: ./system/core/Config.php */