644 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
		
		
			
		
	
	
			644 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
|  | <?php | ||
|  | /** | ||
|  |  * CodeIgniter | ||
|  |  * | ||
|  |  * An open source application development framework for PHP | ||
|  |  * | ||
|  |  * This content is released under the MIT License (MIT) | ||
|  |  * | ||
|  |  * Copyright (c) 2014 - 2017, British Columbia Institute of Technology | ||
|  |  * | ||
|  |  * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
|  |  * of this software and associated documentation files (the "Software"), to deal | ||
|  |  * in the Software without restriction, including without limitation the rights | ||
|  |  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
|  |  * copies of the Software, and to permit persons to whom the Software is | ||
|  |  * furnished to do so, subject to the following conditions: | ||
|  |  * | ||
|  |  * The above copyright notice and this permission notice shall be included in | ||
|  |  * all copies or substantial portions of the Software. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
|  |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
|  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
|  |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
|  |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
|  |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
|  |  * THE SOFTWARE. | ||
|  |  * | ||
|  |  * @package	CodeIgniter | ||
|  |  * @author	EllisLab Dev Team | ||
|  |  * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) | ||
|  |  * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) | ||
|  |  * @license	http://opensource.org/licenses/MIT	MIT License | ||
|  |  * @link	https://codeigniter.com | ||
|  |  * @since	Version 1.0.0 | ||
|  |  * @filesource | ||
|  |  */ | ||
|  | defined('BASEPATH') OR exit('No direct script access allowed'); | ||
|  | 
 | ||
|  | /** | ||
|  |  * URI Class | ||
|  |  * | ||
|  |  * Parses URIs and determines routing | ||
|  |  * | ||
|  |  * @package		CodeIgniter | ||
|  |  * @subpackage	Libraries | ||
|  |  * @category	URI | ||
|  |  * @author		EllisLab Dev Team | ||
|  |  * @link		https://codeigniter.com/user_guide/libraries/uri.html | ||
|  |  */ | ||
|  | class CI_URI { | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * List of cached URI segments | ||
|  | 	 * | ||
|  | 	 * @var	array | ||
|  | 	 */ | ||
|  | 	public $keyval = array(); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Current URI string | ||
|  | 	 * | ||
|  | 	 * @var	string | ||
|  | 	 */ | ||
|  | 	public $uri_string = ''; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * List of URI segments | ||
|  | 	 * | ||
|  | 	 * Starts at 1 instead of 0. | ||
|  | 	 * | ||
|  | 	 * @var	array | ||
|  | 	 */ | ||
|  | 	public $segments = array(); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * List of routed URI segments | ||
|  | 	 * | ||
|  | 	 * Starts at 1 instead of 0. | ||
|  | 	 * | ||
|  | 	 * @var	array | ||
|  | 	 */ | ||
|  | 	public $rsegments = array(); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Permitted URI chars | ||
|  | 	 * | ||
|  | 	 * PCRE character group allowed in URI segments | ||
|  | 	 * | ||
|  | 	 * @var	string | ||
|  | 	 */ | ||
|  | 	protected $_permitted_uri_chars; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Class constructor | ||
|  | 	 * | ||
|  | 	 * @return	void | ||
|  | 	 */ | ||
|  | 	public function __construct() | ||
|  | 	{ | ||
|  | 		$this->config =& load_class('Config', 'core'); | ||
|  | 
 | ||
|  | 		// If query strings are enabled, we don't need to parse any segments.
 | ||
|  | 		// However, they don't make sense under CLI.
 | ||
|  | 		if (is_cli() OR $this->config->item('enable_query_strings') !== TRUE) | ||
|  | 		{ | ||
|  | 			$this->_permitted_uri_chars = $this->config->item('permitted_uri_chars'); | ||
|  | 
 | ||
|  | 			// If it's a CLI request, ignore the configuration
 | ||
|  | 			if (is_cli()) | ||
|  | 			{ | ||
|  | 				$uri = $this->_parse_argv(); | ||
|  | 			} | ||
|  | 			else | ||
|  | 			{ | ||
|  | 				$protocol = $this->config->item('uri_protocol'); | ||
|  | 				empty($protocol) && $protocol = 'REQUEST_URI'; | ||
|  | 
 | ||
|  | 				switch ($protocol) | ||
|  | 				{ | ||
|  | 					case 'AUTO': // For BC purposes only
 | ||
|  | 					case 'REQUEST_URI': | ||
|  | 						$uri = $this->_parse_request_uri(); | ||
|  | 						break; | ||
|  | 					case 'QUERY_STRING': | ||
|  | 						$uri = $this->_parse_query_string(); | ||
|  | 						break; | ||
|  | 					case 'PATH_INFO': | ||
|  | 					default: | ||
|  | 						$uri = isset($_SERVER[$protocol]) | ||
|  | 							? $_SERVER[$protocol] | ||
|  | 							: $this->_parse_request_uri(); | ||
|  | 						break; | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 			$this->_set_uri_string($uri); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		log_message('info', 'URI Class Initialized'); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Set URI String | ||
|  | 	 * | ||
|  | 	 * @param 	string	$str | ||
|  | 	 * @return	void | ||
|  | 	 */ | ||
|  | 	protected function _set_uri_string($str) | ||
|  | 	{ | ||
|  | 		// Filter out control characters and trim slashes
 | ||
|  | 		$this->uri_string = trim(remove_invisible_characters($str, FALSE), '/'); | ||
|  | 
 | ||
|  | 		if ($this->uri_string !== '') | ||
|  | 		{ | ||
|  | 			// Remove the URL suffix, if present
 | ||
|  | 			if (($suffix = (string) $this->config->item('url_suffix')) !== '') | ||
|  | 			{ | ||
|  | 				$slen = strlen($suffix); | ||
|  | 
 | ||
|  | 				if (substr($this->uri_string, -$slen) === $suffix) | ||
|  | 				{ | ||
|  | 					$this->uri_string = substr($this->uri_string, 0, -$slen); | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 			$this->segments[0] = NULL; | ||
|  | 			// Populate the segments array
 | ||
|  | 			foreach (explode('/', trim($this->uri_string, '/')) as $val) | ||
|  | 			{ | ||
|  | 				$val = trim($val); | ||
|  | 				// Filter segments for security
 | ||
|  | 				$this->filter_uri($val); | ||
|  | 
 | ||
|  | 				if ($val !== '') | ||
|  | 				{ | ||
|  | 					$this->segments[] = $val; | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 			unset($this->segments[0]); | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Parse REQUEST_URI | ||
|  | 	 * | ||
|  | 	 * Will parse REQUEST_URI and automatically detect the URI from it, | ||
|  | 	 * while fixing the query string if necessary. | ||
|  | 	 * | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	protected function _parse_request_uri() | ||
|  | 	{ | ||
|  | 		if ( ! isset($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME'])) | ||
|  | 		{ | ||
|  | 			return ''; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// parse_url() returns false if no host is present, but the path or query string
 | ||
|  | 		// contains a colon followed by a number
 | ||
|  | 		$uri = parse_url('http://dummy'.$_SERVER['REQUEST_URI']); | ||
|  | 		$query = isset($uri['query']) ? $uri['query'] : ''; | ||
|  | 		$uri = isset($uri['path']) ? $uri['path'] : ''; | ||
|  | 
 | ||
|  | 		if (isset($_SERVER['SCRIPT_NAME'][0])) | ||
|  | 		{ | ||
|  | 			if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) | ||
|  | 			{ | ||
|  | 				$uri = (string) substr($uri, strlen($_SERVER['SCRIPT_NAME'])); | ||
|  | 			} | ||
|  | 			elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) | ||
|  | 			{ | ||
|  | 				$uri = (string) substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME']))); | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct
 | ||
|  | 		// URI is found, and also fixes the QUERY_STRING server var and $_GET array.
 | ||
|  | 		if (trim($uri, '/') === '' && strncmp($query, '/', 1) === 0) | ||
|  | 		{ | ||
|  | 			$query = explode('?', $query, 2); | ||
|  | 			$uri = $query[0]; | ||
|  | 			$_SERVER['QUERY_STRING'] = isset($query[1]) ? $query[1] : ''; | ||
|  | 		} | ||
|  | 		else | ||
|  | 		{ | ||
|  | 			$_SERVER['QUERY_STRING'] = $query; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		parse_str($_SERVER['QUERY_STRING'], $_GET); | ||
|  | 
 | ||
|  | 		if ($uri === '/' OR $uri === '') | ||
|  | 		{ | ||
|  | 			return '/'; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// Do some final cleaning of the URI and return it
 | ||
|  | 		return $this->_remove_relative_directory($uri); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Parse QUERY_STRING | ||
|  | 	 * | ||
|  | 	 * Will parse QUERY_STRING and automatically detect the URI from it. | ||
|  | 	 * | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	protected function _parse_query_string() | ||
|  | 	{ | ||
|  | 		$uri = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); | ||
|  | 
 | ||
|  | 		if (trim($uri, '/') === '') | ||
|  | 		{ | ||
|  | 			return ''; | ||
|  | 		} | ||
|  | 		elseif (strncmp($uri, '/', 1) === 0) | ||
|  | 		{ | ||
|  | 			$uri = explode('?', $uri, 2); | ||
|  | 			$_SERVER['QUERY_STRING'] = isset($uri[1]) ? $uri[1] : ''; | ||
|  | 			$uri = $uri[0]; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		parse_str($_SERVER['QUERY_STRING'], $_GET); | ||
|  | 
 | ||
|  | 		return $this->_remove_relative_directory($uri); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Parse CLI arguments | ||
|  | 	 * | ||
|  | 	 * Take each command line argument and assume it is a URI segment. | ||
|  | 	 * | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	protected function _parse_argv() | ||
|  | 	{ | ||
|  | 		$args = array_slice($_SERVER['argv'], 1); | ||
|  | 		return $args ? implode('/', $args) : ''; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Remove relative directory (../) and multi slashes (///)
 | ||
|  | 	 * | ||
|  | 	 * Do some final cleaning of the URI and return it, currently only used in self::_parse_request_uri() | ||
|  | 	 * | ||
|  | 	 * @param	string	$uri | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	protected function _remove_relative_directory($uri) | ||
|  | 	{ | ||
|  | 		$uris = array(); | ||
|  | 		$tok = strtok($uri, '/'); | ||
|  | 		while ($tok !== FALSE) | ||
|  | 		{ | ||
|  | 			if (( ! empty($tok) OR $tok === '0') && $tok !== '..') | ||
|  | 			{ | ||
|  | 				$uris[] = $tok; | ||
|  | 			} | ||
|  | 			$tok = strtok('/'); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return implode('/', $uris); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filter URI | ||
|  | 	 * | ||
|  | 	 * Filters segments for malicious characters. | ||
|  | 	 * | ||
|  | 	 * @param	string	$str | ||
|  | 	 * @return	void | ||
|  | 	 */ | ||
|  | 	public function filter_uri(&$str) | ||
|  | 	{ | ||
|  | 		if ( ! empty($str) && ! empty($this->_permitted_uri_chars) && ! preg_match('/^['.$this->_permitted_uri_chars.']+$/i'.(UTF8_ENABLED ? 'u' : ''), $str)) | ||
|  | 		{ | ||
|  | 			show_error('The URI you submitted has disallowed characters.', 400); | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Fetch URI Segment | ||
|  | 	 * | ||
|  | 	 * @see		CI_URI::$segments | ||
|  | 	 * @param	int		$n		Index | ||
|  | 	 * @param	mixed		$no_result	What to return if the segment index is not found | ||
|  | 	 * @return	mixed | ||
|  | 	 */ | ||
|  | 	public function segment($n, $no_result = NULL) | ||
|  | 	{ | ||
|  | 		return isset($this->segments[$n]) ? $this->segments[$n] : $no_result; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Fetch URI "routed" Segment | ||
|  | 	 * | ||
|  | 	 * Returns the re-routed URI segment (assuming routing rules are used) | ||
|  | 	 * based on the index provided. If there is no routing, will return | ||
|  | 	 * the same result as CI_URI::segment(). | ||
|  | 	 * | ||
|  | 	 * @see		CI_URI::$rsegments | ||
|  | 	 * @see		CI_URI::segment() | ||
|  | 	 * @param	int		$n		Index | ||
|  | 	 * @param	mixed		$no_result	What to return if the segment index is not found | ||
|  | 	 * @return	mixed | ||
|  | 	 */ | ||
|  | 	public function rsegment($n, $no_result = NULL) | ||
|  | 	{ | ||
|  | 		return isset($this->rsegments[$n]) ? $this->rsegments[$n] : $no_result; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * URI to assoc | ||
|  | 	 * | ||
|  | 	 * Generates an associative array of URI data starting at the supplied | ||
|  | 	 * segment index. For example, if this is your URI: | ||
|  | 	 * | ||
|  | 	 *	example.com/user/search/name/joe/location/UK/gender/male | ||
|  | 	 * | ||
|  | 	 * You can use this method to generate an array with this prototype: | ||
|  | 	 * | ||
|  | 	 *	array ( | ||
|  | 	 *		name => joe | ||
|  | 	 *		location => UK | ||
|  | 	 *		gender => male | ||
|  | 	 *	 ) | ||
|  | 	 * | ||
|  | 	 * @param	int	$n		Index (default: 3) | ||
|  | 	 * @param	array	$default	Default values | ||
|  | 	 * @return	array | ||
|  | 	 */ | ||
|  | 	public function uri_to_assoc($n = 3, $default = array()) | ||
|  | 	{ | ||
|  | 		return $this->_uri_to_assoc($n, $default, 'segment'); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Routed URI to assoc | ||
|  | 	 * | ||
|  | 	 * Identical to CI_URI::uri_to_assoc(), only it uses the re-routed | ||
|  | 	 * segment array. | ||
|  | 	 * | ||
|  | 	 * @see		CI_URI::uri_to_assoc() | ||
|  | 	 * @param 	int	$n		Index (default: 3) | ||
|  | 	 * @param 	array	$default	Default values | ||
|  | 	 * @return 	array | ||
|  | 	 */ | ||
|  | 	public function ruri_to_assoc($n = 3, $default = array()) | ||
|  | 	{ | ||
|  | 		return $this->_uri_to_assoc($n, $default, 'rsegment'); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Internal URI-to-assoc | ||
|  | 	 * | ||
|  | 	 * Generates a key/value pair from the URI string or re-routed URI string. | ||
|  | 	 * | ||
|  | 	 * @used-by	CI_URI::uri_to_assoc() | ||
|  | 	 * @used-by	CI_URI::ruri_to_assoc() | ||
|  | 	 * @param	int	$n		Index (default: 3) | ||
|  | 	 * @param	array	$default	Default values | ||
|  | 	 * @param	string	$which		Array name ('segment' or 'rsegment') | ||
|  | 	 * @return	array | ||
|  | 	 */ | ||
|  | 	protected function _uri_to_assoc($n = 3, $default = array(), $which = 'segment') | ||
|  | 	{ | ||
|  | 		if ( ! is_numeric($n)) | ||
|  | 		{ | ||
|  | 			return $default; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (isset($this->keyval[$which], $this->keyval[$which][$n])) | ||
|  | 		{ | ||
|  | 			return $this->keyval[$which][$n]; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		$total_segments = "total_{$which}s"; | ||
|  | 		$segment_array = "{$which}_array"; | ||
|  | 
 | ||
|  | 		if ($this->$total_segments() < $n) | ||
|  | 		{ | ||
|  | 			return (count($default) === 0) | ||
|  | 				? array() | ||
|  | 				: array_fill_keys($default, NULL); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		$segments = array_slice($this->$segment_array(), ($n - 1)); | ||
|  | 		$i = 0; | ||
|  | 		$lastval = ''; | ||
|  | 		$retval = array(); | ||
|  | 		foreach ($segments as $seg) | ||
|  | 		{ | ||
|  | 			if ($i % 2) | ||
|  | 			{ | ||
|  | 				$retval[$lastval] = $seg; | ||
|  | 			} | ||
|  | 			else | ||
|  | 			{ | ||
|  | 				$retval[$seg] = NULL; | ||
|  | 				$lastval = $seg; | ||
|  | 			} | ||
|  | 
 | ||
|  | 			$i++; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (count($default) > 0) | ||
|  | 		{ | ||
|  | 			foreach ($default as $val) | ||
|  | 			{ | ||
|  | 				if ( ! array_key_exists($val, $retval)) | ||
|  | 				{ | ||
|  | 					$retval[$val] = NULL; | ||
|  | 				} | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// Cache the array for reuse
 | ||
|  | 		isset($this->keyval[$which]) OR $this->keyval[$which] = array(); | ||
|  | 		$this->keyval[$which][$n] = $retval; | ||
|  | 		return $retval; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Assoc to URI | ||
|  | 	 * | ||
|  | 	 * Generates a URI string from an associative array. | ||
|  | 	 * | ||
|  | 	 * @param	array	$array	Input array of key/value pairs | ||
|  | 	 * @return	string	URI string | ||
|  | 	 */ | ||
|  | 	public function assoc_to_uri($array) | ||
|  | 	{ | ||
|  | 		$temp = array(); | ||
|  | 		foreach ((array) $array as $key => $val) | ||
|  | 		{ | ||
|  | 			$temp[] = $key; | ||
|  | 			$temp[] = $val; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return implode('/', $temp); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Slash segment | ||
|  | 	 * | ||
|  | 	 * Fetches an URI segment with a slash. | ||
|  | 	 * | ||
|  | 	 * @param	int	$n	Index | ||
|  | 	 * @param	string	$where	Where to add the slash ('trailing' or 'leading') | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	public function slash_segment($n, $where = 'trailing') | ||
|  | 	{ | ||
|  | 		return $this->_slash_segment($n, $where, 'segment'); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Slash routed segment | ||
|  | 	 * | ||
|  | 	 * Fetches an URI routed segment with a slash. | ||
|  | 	 * | ||
|  | 	 * @param	int	$n	Index | ||
|  | 	 * @param	string	$where	Where to add the slash ('trailing' or 'leading') | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	public function slash_rsegment($n, $where = 'trailing') | ||
|  | 	{ | ||
|  | 		return $this->_slash_segment($n, $where, 'rsegment'); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Internal Slash segment | ||
|  | 	 * | ||
|  | 	 * Fetches an URI Segment and adds a slash to it. | ||
|  | 	 * | ||
|  | 	 * @used-by	CI_URI::slash_segment() | ||
|  | 	 * @used-by	CI_URI::slash_rsegment() | ||
|  | 	 * | ||
|  | 	 * @param	int	$n	Index | ||
|  | 	 * @param	string	$where	Where to add the slash ('trailing' or 'leading') | ||
|  | 	 * @param	string	$which	Array name ('segment' or 'rsegment') | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	protected function _slash_segment($n, $where = 'trailing', $which = 'segment') | ||
|  | 	{ | ||
|  | 		$leading = $trailing = '/'; | ||
|  | 
 | ||
|  | 		if ($where === 'trailing') | ||
|  | 		{ | ||
|  | 			$leading	= ''; | ||
|  | 		} | ||
|  | 		elseif ($where === 'leading') | ||
|  | 		{ | ||
|  | 			$trailing	= ''; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return $leading.$this->$which($n).$trailing; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Segment Array | ||
|  | 	 * | ||
|  | 	 * @return	array	CI_URI::$segments | ||
|  | 	 */ | ||
|  | 	public function segment_array() | ||
|  | 	{ | ||
|  | 		return $this->segments; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Routed Segment Array | ||
|  | 	 * | ||
|  | 	 * @return	array	CI_URI::$rsegments | ||
|  | 	 */ | ||
|  | 	public function rsegment_array() | ||
|  | 	{ | ||
|  | 		return $this->rsegments; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Total number of segments | ||
|  | 	 * | ||
|  | 	 * @return	int | ||
|  | 	 */ | ||
|  | 	public function total_segments() | ||
|  | 	{ | ||
|  | 		return count($this->segments); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Total number of routed segments | ||
|  | 	 * | ||
|  | 	 * @return	int | ||
|  | 	 */ | ||
|  | 	public function total_rsegments() | ||
|  | 	{ | ||
|  | 		return count($this->rsegments); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Fetch URI string | ||
|  | 	 * | ||
|  | 	 * @return	string	CI_URI::$uri_string | ||
|  | 	 */ | ||
|  | 	public function uri_string() | ||
|  | 	{ | ||
|  | 		return $this->uri_string; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// --------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Fetch Re-routed URI string | ||
|  | 	 * | ||
|  | 	 * @return	string | ||
|  | 	 */ | ||
|  | 	public function ruri_string() | ||
|  | 	{ | ||
|  | 		return ltrim(load_class('Router', 'core')->directory, '/').implode('/', $this->rsegments); | ||
|  | 	} | ||
|  | 
 | ||
|  | } |