codeigniter
application
assets
system
core
compat
Benchmark.php
CodeIgniter.php
Common.php
Config.php
Controller.php
Exceptions.php
Hooks.php
Input.php
Lang.php
Loader.php
Log.php
Model.php
Output.php
Router.php
Security.php
URI.php
Utf8.php
index.html
database
fonts
helpers
language
libraries
.htaccess
index.html
.editorconfig
.gitignore
composer.json
index.php
license.txt
readme.rst
.gitignore
README.md
381 lines
9.1 KiB
PHP
381 lines
9.1 KiB
PHP
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<?php
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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
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2019 - 2022, CodeIgniter Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
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* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.0.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* 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 EllisLab Dev Team
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* @link https://codeigniter.com/userguide3/libraries/config.html
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*/
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class CI_Config {
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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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public $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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public $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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* @used-by CI_Loader
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* @var array
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*/
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public $_config_paths = array(APPPATH);
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// --------------------------------------------------------------------
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/**
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* Class constructor
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*
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* Sets the $config data from the primary config.php file as a class variable.
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*
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* @return void
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*/
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public function __construct()
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{
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$this->config =& get_config();
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// Set the base_url automatically if none was provided
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if (empty($this->config['base_url']))
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{
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if (isset($_SERVER['SERVER_ADDR']))
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{
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if (strpos($_SERVER['SERVER_ADDR'], ':') !== FALSE)
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{
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$server_addr = '['.$_SERVER['SERVER_ADDR'].']';
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}
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else
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{
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$server_addr = $_SERVER['SERVER_ADDR'];
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}
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$base_url = (is_https() ? 'https' : 'http').'://'.$server_addr
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.substr($_SERVER['SCRIPT_NAME'], 0, strpos($_SERVER['SCRIPT_NAME'], basename($_SERVER['SCRIPT_FILENAME'])));
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}
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else
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{
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$base_url = 'http://localhost/';
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}
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$this->set_item('base_url', $base_url);
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}
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log_message('info', '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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* @param string $file Configuration file name
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* @param bool $use_sections Whether configuration values should be loaded into their own section
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* @param bool $fail_gracefully Whether to just return FALSE or display an error message
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* @return bool TRUE if the file was loaded correctly or FALSE on failure
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*/
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public function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
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{
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$file = ($file === '') ? 'config' : str_replace('.php', '', $file);
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$loaded = FALSE;
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foreach ($this->_config_paths as $path)
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{
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foreach (array($file, ENVIRONMENT.DIRECTORY_SEPARATOR.$file) as $location)
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{
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$file_path = $path.'config/'.$location.'.php';
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if (in_array($file_path, $this->is_loaded, TRUE))
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{
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return TRUE;
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}
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if ( ! file_exists($file_path))
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{
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continue;
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}
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include($file_path);
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if ( ! isset($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 '.$file_path.' file does not appear to contain a valid configuration array.');
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}
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if ($use_sections === TRUE)
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{
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$this->config[$file] = isset($this->config[$file])
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? array_merge($this->config[$file], $config)
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: $config;
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}
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else
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{
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$this->config = array_merge($this->config, $config);
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}
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$this->is_loaded[] = $file_path;
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$config = NULL;
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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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if ($loaded === TRUE)
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{
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return TRUE;
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}
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elseif ($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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/**
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* Fetch a config file item
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*
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* @param string $item Config item name
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* @param string $index Index name
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* @return string|null The configuration item or NULL if the item doesn't exist
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*/
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public function item($item, $index = '')
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{
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if ($index == '')
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{
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return isset($this->config[$item]) ? $this->config[$item] : NULL;
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}
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return isset($this->config[$index], $this->config[$index][$item]) ? $this->config[$index][$item] : NULL;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch a config file item with slash appended (if not empty)
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*
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* @param string $item Config item name
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* @return string|null The configuration item or NULL if the item doesn't exist
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*/
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public function slash_item($item)
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{
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if ( ! isset($this->config[$item]))
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{
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return NULL;
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}
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elseif (trim($this->config[$item]) === '')
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{
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return '';
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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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* Site URL
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*
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* Returns base_url . index_page [. uri_string]
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*
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* @uses CI_Config::_uri_string()
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*
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* @param string|string[] $uri URI string or an array of segments
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* @param string $protocol
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* @return string
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*/
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public function site_url($uri = '', $protocol = NULL)
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{
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$base_url = $this->slash_item('base_url');
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if (isset($protocol))
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{
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// For protocol-relative links
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if ($protocol === '')
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{
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$base_url = substr($base_url, strpos($base_url, '//'));
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}
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else
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{
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$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
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}
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}
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if (empty($uri))
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{
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return $base_url.$this->item('index_page');
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}
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$uri = $this->_uri_string($uri);
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if ($this->item('enable_query_strings') === FALSE)
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{
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$suffix = isset($this->config['url_suffix']) ? $this->config['url_suffix'] : '';
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if ($suffix !== '')
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{
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if (($offset = strpos($uri, '?')) !== FALSE)
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{
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$uri = substr($uri, 0, $offset).$suffix.substr($uri, $offset);
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}
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else
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{
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$uri .= $suffix;
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}
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}
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return $base_url.$this->slash_item('index_page').$uri;
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}
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elseif (strpos($uri, '?') === FALSE)
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{
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$uri = '?'.$uri;
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}
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return $base_url.$this->item('index_page').$uri;
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}
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// -------------------------------------------------------------
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/**
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* Base URL
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*
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* Returns base_url [. uri_string]
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*
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* @uses CI_Config::_uri_string()
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*
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* @param string|string[] $uri URI string or an array of segments
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* @param string $protocol
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* @return string
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*/
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public function base_url($uri = '', $protocol = NULL)
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{
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$base_url = $this->slash_item('base_url');
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if (isset($protocol))
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{
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// For protocol-relative links
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if ($protocol === '')
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{
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$base_url = substr($base_url, strpos($base_url, '//'));
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}
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else
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{
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$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
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}
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}
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return $base_url.$this->_uri_string($uri);
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}
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// -------------------------------------------------------------
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/**
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* Build URI string
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*
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* @used-by CI_Config::site_url()
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* @used-by CI_Config::base_url()
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*
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* @param string|string[] $uri URI string or an array of segments
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* @return string
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*/
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protected function _uri_string($uri)
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{
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if ($this->item('enable_query_strings') === FALSE)
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{
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is_array($uri) && $uri = implode('/', $uri);
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return ltrim($uri, '/');
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}
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elseif (is_array($uri))
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{
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return http_build_query($uri);
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}
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return $uri;
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}
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// --------------------------------------------------------------------
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/**
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* System URL
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*
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* @deprecated 3.0.0 Encourages insecure practices
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* @return string
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*/
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public function system_url()
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{
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$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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* @param string $item Config item key
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* @param string $value Config item value
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* @return void
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*/
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public function set_item($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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