244 lines
5.1 KiB
PHP
244 lines
5.1 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 4.3.2 or newer
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*
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* @package CodeIgniter
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* CodeIgniter Config Class
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*
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* This class contains functions that enable config files to be managed
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Libraries
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/libraries/config.html
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*/
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class CI_Config {
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var $config = array();
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var $is_loaded = array();
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/**
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* Constructor
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*
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* Sets the $config data from the primary config.php file as a class variable
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*
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* @access public
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* @param string the config file name
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* @param boolean if configuration values should be loaded into their own section
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* @param boolean true if errors should just return false, false if an error message should be displayed
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* @return boolean if the file was successfully loaded or not
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*/
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function CI_Config()
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{
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$this->config =& get_config();
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log_message('debug', "Config Class Initialized");
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}
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// --------------------------------------------------------------------
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/**
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* Load Config File
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*
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* @access public
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* @param string the config file name
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* @return boolean if the file was loaded correctly
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*/
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function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
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{
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$file = ($file == '') ? 'config' : str_replace(EXT, '', $file);
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if (in_array($file, $this->is_loaded, TRUE))
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{
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return TRUE;
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}
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if ( ! file_exists(APPPATH.'config/'.$file.EXT))
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{
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if ($fail_gracefully === TRUE)
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{
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return FALSE;
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}
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show_error('The configuration file '.$file.EXT.' does not exist.');
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}
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include(APPPATH.'config/'.$file.EXT);
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if ( ! isset($config) OR ! is_array($config))
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{
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if ($fail_gracefully === TRUE)
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{
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return FALSE;
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}
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show_error('Your '.$file.EXT.' file does not appear to contain a valid configuration array.');
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}
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if ($use_sections === TRUE)
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{
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if (isset($this->config[$file]))
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{
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$this->config[$file] = array_merge($this->config[$file], $config);
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}
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else
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{
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$this->config[$file] = $config;
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}
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}
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else
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{
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$this->config = array_merge($this->config, $config);
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}
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$this->is_loaded[] = $file;
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unset($config);
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log_message('debug', 'Config file loaded: config/'.$file.EXT);
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return TRUE;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch a config file item
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*
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*
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* @access public
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* @param string the config item name
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* @param string the index name
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* @param bool
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* @return string
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*/
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function item($item, $index = '')
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{
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if ($index == '')
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{
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if ( ! isset($this->config[$item]))
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{
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return FALSE;
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}
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$pref = $this->config[$item];
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}
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else
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{
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if ( ! isset($this->config[$index]))
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{
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return FALSE;
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}
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if ( ! isset($this->config[$index][$item]))
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{
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return FALSE;
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}
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$pref = $this->config[$index][$item];
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}
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return $pref;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch a config file item - adds slash after item
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*
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* The second parameter allows a slash to be added to the end of
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* the item, in the case of a path.
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*
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* @access public
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* @param string the config item name
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* @param bool
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* @return string
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*/
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function slash_item($item)
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{
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if ( ! isset($this->config[$item]))
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{
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return FALSE;
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}
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$pref = $this->config[$item];
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if ($pref != '' && substr($pref, -1) != '/')
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{
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$pref .= '/';
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}
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return $pref;
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}
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// --------------------------------------------------------------------
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/**
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* Site URL
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*
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* @access public
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* @param string the URI string
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* @return string
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*/
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function site_url($uri = '')
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{
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if (is_array($uri))
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{
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$uri = implode('/', $uri);
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}
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if ($uri == '')
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{
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return $this->slash_item('base_url').$this->item('index_page');
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}
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else
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{
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$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
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return $this->slash_item('base_url').$this->slash_item('index_page').trim($uri, '/').$suffix;
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}
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}
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// --------------------------------------------------------------------
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/**
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* System URL
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*
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* @access public
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* @return string
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*/
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function system_url()
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{
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$x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));
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return $this->slash_item('base_url').end($x).'/';
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}
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// --------------------------------------------------------------------
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/**
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* Set a config file item
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*
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* @access public
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* @param string the config item key
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* @param string the config item value
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* @return void
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*/
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function set_item($item, $value)
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{
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$this->config[$item] = $value;
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}
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}
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// END CI_Config class
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/* End of file Config.php */
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/* Location: ./system/libraries/Config.php */ |