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<?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 5.1.6 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 - 2011, 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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|
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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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|
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/** |
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* List of all loaded config values |
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* |
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* @var array |
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*/ |
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var $config = array(); |
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/** |
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* List of all loaded config files |
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* |
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* @var array |
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*/ |
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var $is_loaded = array(); |
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/** |
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* List of paths to search when trying to load a config file |
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* |
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* @var array |
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*/ |
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var $_config_paths = array(APPPATH); |
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|
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/** |
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* Constructor |
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* |
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* Sets the $config data from the primary config.php file as a class variable |
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* |
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* @access public |
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* @param string the config file name |
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* @param boolean if configuration values should be loaded into their own section |
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* @param boolean true if errors should just return false, false if an error message should be displayed |
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* @return boolean if the file was successfully loaded or not |
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*/ |
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function __construct() |
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{ |
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$this->config =& get_config(); |
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log_message('debug', "Config Class Initialized"); |
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|
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// Set the base_url automatically if none was provided |
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if ($this->config['base_url'] == '') |
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{ |
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if (isset($_SERVER['HTTP_HOST'])) |
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{ |
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$base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http'; |
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$base_url .= '://'. $_SERVER['HTTP_HOST']; |
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$base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']); |
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} |
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|
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else |
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{ |
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$base_url = 'http://localhost/'; |
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} |
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|
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$this->set_item('base_url', $base_url); |
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} |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* Load Config File |
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* |
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* @access public |
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* @param string the config file name |
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* @param boolean if configuration values should be loaded into their own section |
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* @param boolean true if errors should just return false, false if an error message should be displayed |
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* @return boolean if the file was loaded correctly |
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*/ |
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function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) |
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{ |
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$file = ($file == '') ? 'config' : str_replace('.php', '', $file); |
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$found = FALSE; |
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$loaded = FALSE; |
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|
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$check_locations = defined('ENVIRONMENT') |
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? array(ENVIRONMENT.'/'.$file, $file) |
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: array($file); |
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|
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$these_files = array(); |
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foreach ($this->_config_paths as $path) |
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{ |
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foreach ($check_locations as $location) |
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{ |
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$file_path = $path.'config/'.$location.'.php'; |
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|
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if (in_array($file_path, $this->is_loaded, TRUE)) |
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{ |
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$loaded = TRUE; |
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continue 2; |
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} |
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|
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if (file_exists($file_path)) |
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{ |
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$found = TRUE; |
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$these_files[] = $file_path; |
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// break; |
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} |
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} |
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} |
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|
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if ($found === TRUE) |
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{ |
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reset( $these_files ); |
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foreach( $these_files as $file_path ) |
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{ |
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include($file_path); |
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|
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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_path.' file does not appear to contain a valid configuration array.'); |
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} |
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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(); |
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} |
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|
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reset( $config ); |
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foreach( $config as $k => $v ) |
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{ |
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if( is_array($v) ) |
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{ |
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reset( $v ); |
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foreach( $v as $k2 => $v2 ) |
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{ |
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if (isset($this->config[$file][$k][$k2])) |
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{ |
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foreach( $v2 as $k3 => $v3 ) |
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{ |
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if( isset($this->config[$file][$k][$k2][$k3]) && is_array($v3) ) |
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{ |
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$this->config[$file][$k][$k2][$k3] = array_merge($this->config[$file][$k][$k2][$k3], $v3); |
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} |
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else |
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{ |
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$this->config[$file][$k][$k2][$k3] = $v3; |
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} |
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} |
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// $this->config[$file][$k][$k2] = array_merge($this->config[$file][$k][$k2], $v2); |
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} |
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else |
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{ |
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$this->config[$file][$k][$k2] = $v2; |
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} |
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} |
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} |
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else |
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{ |
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$this->config[$file][$k] = $v; |
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} |
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} |
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//$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 = array_merge($this->config, $config); |
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} |
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|
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$this->is_loaded[] = $file_path; |
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unset($config); |
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|
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$loaded = TRUE; |
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log_message('debug', 'Config file loaded: '.$file_path); |
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} |
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} |
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|
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if ($loaded === FALSE) |
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{ |
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if ($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.'.php does not exist.'); |
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} |
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|
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return TRUE; |
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} |
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|
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function items( $index = '' ) |
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{ |
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$return = array(); |
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if ($index == '') |
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{ |
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$keys = array_keys($this->config); |
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} |
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else |
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{ |
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if ( ! isset($this->config[$index])) |
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{ |
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return FALSE; |
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} |
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$keys = array_keys($this->config[$index]); |
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} |
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|
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reset( $keys ); |
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foreach( $keys as $k ) |
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{ |
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$return[ $k ] = $this->item( $k, $index ); |
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} |
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|
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return $return; |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* Fetch a config file item |
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* |
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* |
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* @access public |
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* @param string the config item name |
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* @param string the index name |
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* @param bool |
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* @return string |
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*/ |
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function item($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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|
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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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|
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if ( ! isset($this->config[$index][$item])) |
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{ |
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return FALSE; |
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} |
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|
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$pref = $this->config[$index][$item]; |
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} |
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|
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return $pref; |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* Fetch a config file item - adds slash after item (if item is not empty) |
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* |
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* @access public |
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* @param string the config item name |
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* @param bool |
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* @return string |
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*/ |
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function slash_item($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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if( trim($this->config[$item]) == '') |
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{ |
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return ''; |
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} |
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|
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return rtrim($this->config[$item], '/').'/'; |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* Site URL |
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* Returns base_url . index_page [. uri_string] |
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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($uri = '') |
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{ |
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if ($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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|
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if ($this->item('enable_query_strings') == FALSE) |
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{ |
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$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').$this->_uri_string($uri).$suffix; |
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} |
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else |
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{ |
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return $this->slash_item('base_url').$this->item('index_page').'?'.$this->_uri_string($uri); |
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} |
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} |
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|
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// ------------------------------------------------------------- |
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|
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/** |
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* Base URL |
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* Returns base_url [. uri_string] |
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* |
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* @access public |
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* @param string $uri |
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* @return string |
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*/ |
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function base_url($uri = '') |
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{ |
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return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/'); |
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} |
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|
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// ------------------------------------------------------------- |
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|
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/** |
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* Build URI string for use in Config::site_url() and Config::base_url() |
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* |
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* @access protected |
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* @param $uri |
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* @return string |
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*/ |
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protected function _uri_string($uri) |
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{ |
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if ($this->item('enable_query_strings') == FALSE) |
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{ |
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if (is_array($uri)) |
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{ |
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$uri = implode('/', $uri); |
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} |
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$uri = trim($uri, '/'); |
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} |
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else |
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{ |
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if (is_array($uri)) |
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{ |
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$i = 0; |
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$str = ''; |
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foreach ($uri as $key => $val) |
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{ |
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$prefix = ($i == 0) ? '' : '&'; |
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$str .= $prefix.$key.'='.$val; |
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$i++; |
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} |
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$uri = $str; |
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} |
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} |
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return $uri; |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* System URL |
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* |
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* @access public |
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* @return string |
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*/ |
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function system_url() |
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{ |
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$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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|
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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, $index = '' ) |
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{ |
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if ($index == '') |
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{ |
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$this->config[$item] = $value; |
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} |
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else |
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{ |
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$this->config[$index][$item] = $value; |
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} |
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} |
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|
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// -------------------------------------------------------------------- |
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|
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/** |
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* Assign to Config |
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* |
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* This function is called by the front controller (CodeIgniter.php) |
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* after the Config class is instantiated. It permits config items |
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* to be assigned or overriden by variables contained in the index.php file |
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* |
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* @access private |
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* @param array |
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* @return void |
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*/ |
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function _assign_to_config($items = array()) |
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{ |
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if (is_array($items)) |
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{ |
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foreach ($items as $key => $val) |
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{ |
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$this->set_item($key, $val); |
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} |
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} |
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} |
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} |
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|
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// END CI_Config class |
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|
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/* End of file Config.php */ |
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/* Location: ./system/core/Config.php */ |
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|