<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /** * Code Igniter * * An open source application development framework for PHP 4.3.2 or newer * * @package CodeIgniter * @author Rick Ellis * @copyright Copyright (c) 2006, pMachine, Inc. * @license http://www.codeignitor.com/user_guide/license.html * @link http://www.codeigniter.com * @since Version 1.0 * @filesource */ // ------------------------------------------------------------------------ /** * Code Igniter Config Class * * This class contains functions that enable config files to be managed * * @package CodeIgniter * @subpackage Libraries * @category Libraries * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/libraries/config.html */ class CI_Config { var $config = array(); var $is_loaded = array(); /** * 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 CI_Config() { $this->config =& _get_config(); log_message('debug', "Config Class Initialized"); } // END CI_Config() // -------------------------------------------------------------------- /** * Load Config File * * @access public * @param string the config file name * @return boolean if the file was loaded correctly */ function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) { $file = ($file == '') ? 'config' : str_replace(EXT, '', $file); if (in_array($file, $this->is_loaded)) { return TRUE; } if ( ! file_exists(APPPATH.'config/'.$file.EXT)) { if ($fail_gracefully === TRUE) { return FALSE; } show_error('The configuration file '.$file.EXT.' does not exist.'); } include_once(APPPATH.'config/'.$file.EXT); if ( ! isset($config) OR ! is_array($config)) { if ($fail_gracefully === TRUE) { return FALSE; } show_error('Your '.$file.EXT.' file does not appear to contain a valid configuration array.'); } if ($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[] = $file; unset($config); log_message('debug', 'Config file loaded: config/'.$file.EXT); return TRUE; } // END load() // -------------------------------------------------------------------- /** * Fetch a config file item * * * @access public * @param string the config item name * @param string the index name * @param bool * @return string */ function item($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 $pref; } // END item() // -------------------------------------------------------------------- /** * Fetch a config file item - adds slash after item * * The second parameter allows a slash to be added to the end of * the item, in the case of a path. * * @access public * @param string the config item name * @param bool * @return string */ function slash_item($item) { if ( ! isset($this->config[$item])) { return FALSE; } $pref = $this->config[$item]; if ($pref != '') { if (ereg("/$", $pref) === FALSE) { $pref .= '/'; } } return $pref; } // END item() // -------------------------------------------------------------------- /** * Site URL * * @access public * @param string the URI string * @return string */ function site_url($uri = '') { if (is_array($uri)) { $uri = implode('/', $uri); } if ($uri == '') { return $this->slash_item('base_url').$this->item('index_page'); } else { $suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix'); return $this->slash_item('base_url').$this->slash_item('index_page').preg_replace("|^/*(.+?)/*$|", "\\1", $uri).$suffix; } } // END site_url() // -------------------------------------------------------------------- /** * System URL * * @access public * @return string */ function system_url() { $x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH)); return $this->slash_item('base_url').end($x).'/'; } // END system_url() // -------------------------------------------------------------------- /** * 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; } // END set_item() } // END CI_Config class ?>