Propset eol-style to CRLF

simplified paragraph tag cleanup regex

1 files changed, 584 insertions, 584 deletions

diff --git a/system/libraries/URI.php b/system/libraries/URI.php
index aa2d71e87..b27dfa3cc 100644
--- a/system/libraries/URI.php
+++ b/system/libraries/URI.php
@@ -1,585 +1,585 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package		CodeIgniter
- * @author		ExpressionEngine Dev Team
- * @copyright	Copyright (c) 2008, EllisLab, Inc.
- * @license		http://codeigniter.com/user_guide/license.html
- * @link		http://codeigniter.com
- * @since		Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * URI Class
- *
- * Parses URIs and determines routing
- *
- * @package		CodeIgniter
- * @subpackage	Libraries
- * @category	URI
- * @author		ExpressionEngine Dev Team
- * @link		http://codeigniter.com/user_guide/libraries/uri.html
- */
-class CI_URI {
-
-	var	$keyval	= array();
-	var $uri_string;
-	var $segments		= array();
-	var $rsegments		= array();
-
-	/**
-	 * Constructor
-	 *
-	 * Simply globalizes the $RTR object.  The front
-	 * loads the Router class early on so it's not available
-	 * normally as other classes are.
-	 *
-	 * @access	public
-	 */
-	function CI_URI()
-	{
-		$this->config =& load_class('Config');
-		log_message('debug', "URI Class Initialized");
-	}
-
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Get the URI String
-	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _fetch_uri_string()
-	{
-		if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')
-		{
-			// If the URL has a question mark then it's simplest to just
-			// build the URI string from the zero index of the $_GET array.
-			// This avoids having to deal with $_SERVER variables, which
-			// can be unreliable in some environments
-			if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '')
-			{
-				$this->uri_string = key($_GET);
-				return;
-			}
-
-			// Is there a PATH_INFO variable?
-			// Note: some servers seem to have trouble with getenv() so we'll test it two ways
-			$path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO');
-			if (trim($path, '/') != '' && $path != "/".SELF)
-			{
-				$this->uri_string = $path;
-				return;
-			}
-
-			// No PATH_INFO?... What about QUERY_STRING?
-			$path =  (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
-			if (trim($path, '/') != '')
-			{
-				$this->uri_string = $path;
-				return;
-			}
-
-			// No QUERY_STRING?... Maybe the ORIG_PATH_INFO variable exists?
-			$path = (isset($_SERVER['ORIG_PATH_INFO'])) ? $_SERVER['ORIG_PATH_INFO'] : @getenv('ORIG_PATH_INFO');
-			if (trim($path, '/') != '' && $path != "/".SELF)
-			{
-				// remove path and script information so we have good URI data
-				$this->uri_string = str_replace($_SERVER['SCRIPT_NAME'], '', $path);
-				return;
-			}
-
-			// We've exhausted all our options...
-			$this->uri_string = '';
-		}
-		else
-		{
-			$uri = strtoupper($this->config->item('uri_protocol'));
-
-			if ($uri == 'REQUEST_URI')
-			{
-				$this->uri_string = $this->_parse_request_uri();
-				return;
-			}
-
-			$this->uri_string = (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri);
-		}
-
-		// If the URI contains only a slash we'll kill it
-		if ($this->uri_string == '/')
-		{
-			$this->uri_string = '';
-		}
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Parse the REQUEST_URI
-	 *
-	 * Due to the way REQUEST_URI works it usually contains path info
-	 * that makes it unusable as URI data.  We'll trim off the unnecessary
-	 * data, hopefully arriving at a valid URI that we can use.
-	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _parse_request_uri()
-	{
-		if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
-		{
-			return '';
-		}
-
-		$request_uri = preg_replace("|/(.*)|", "\\1", str_replace("\\", "/", $_SERVER['REQUEST_URI']));
-
-		if ($request_uri == '' OR $request_uri == SELF)
-		{
-			return '';
-		}
-
-		$fc_path = FCPATH;
-		if (strpos($request_uri, '?') !== FALSE)
-		{
-			$fc_path .= '?';
-		}
-
-		$parsed_uri = explode("/", $request_uri);
-
-		$i = 0;
-		foreach(explode("/", $fc_path) as $segment)
-		{
-			if (isset($parsed_uri[$i]) && $segment == $parsed_uri[$i])
-			{
-				$i++;
-			}
-		}
-
-		$parsed_uri = implode("/", array_slice($parsed_uri, $i));
-
-		if ($parsed_uri != '')
-		{
-			$parsed_uri = '/'.$parsed_uri;
-		}
-
-		return $parsed_uri;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Filter segments for malicious characters
-	 *
-	 * @access	private
-	 * @param	string
-	 * @return	string
-	 */
-	function _filter_uri($str)
-	{
-		if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE)
-		{
-			if ( ! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
-			{
-				header('HTTP/1.1 400 Bad Request');
-				exit('The URI you submitted has disallowed characters.');
-			}
-		}
-
-		// Convert programatic characters to entities
-		$bad	= array('$', 		'(', 		')',	 	'%28', 		'%29');
-		$good	= array('&#36;',	'&#40;',	'&#41;',	'&#40;',	'&#41;');
-
-		return str_replace($bad, $good, $str);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Remove the suffix from the URL if needed
-	 *
-	 * @access	private
-	 * @return	void
-	 */
-	function _remove_url_suffix()
-	{
-		if  ($this->config->item('url_suffix') != "")
-		{
-			$this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
-		}
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Explode the URI Segments. The individual segments will
-	 * be stored in the $this->segments array.
-	 *
-	 * @access	private
-	 * @return	void
-	 */
-	function _explode_segments()
-	{
-		foreach(explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
-		{
-			// Filter segments for security
-			$val = trim($this->_filter_uri($val));
-
-			if ($val != '')
-			{
-				$this->segments[] = $val;
-			}
-		}
-	}
-
-	// --------------------------------------------------------------------
-	/**
-	 * Re-index Segments
-	 *
-	 * This function re-indexes the $this->segment array so that it
-	 * starts at 1 rather than 0.  Doing so makes it simpler to
-	 * use functions like $this->uri->segment(n) since there is
-	 * a 1:1 relationship between the segment array and the actual segments.
-	 *
-	 * @access	private
-	 * @return	void
-	 */
-	function _reindex_segments()
-	{
-		array_unshift($this->segments, NULL);
-		array_unshift($this->rsegments, NULL);
-		unset($this->segments[0]);
-		unset($this->rsegments[0]);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch a URI Segment
-	 *
-	 * This function returns the URI segment based on the number provided.
-	 *
-	 * @access	public
-	 * @param	integer
-	 * @param	bool
-	 * @return	string
-	 */
-	function segment($n, $no_result = FALSE)
-	{
-		return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch a URI "routed" Segment
-	 *
-	 * This function returns the re-routed URI segment (assuming routing rules are used)
-	 * based on the number provided.  If there is no routing this function returns the
-	 * same result as $this->segment()
-	 *
-	 * @access	public
-	 * @param	integer
-	 * @param	bool
-	 * @return	string
-	 */
-	function rsegment($n, $no_result = FALSE)
-	{
-		return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Generate a key value pair from the URI string
-	 *
-	 * This function generates and associative array of URI data starting
-	 * at the supplied segment. For example, if this is your URI:
-	 *
-	 *	example.com/user/search/name/joe/location/UK/gender/male
-	 *
-	 * You can use this function to generate an array with this prototype:
-	 *
-	 * array (
-	 *			name => joe
-	 *			location => UK
-	 *			gender => male
-	 *		 )
-	 *
-	 * @access	public
-	 * @param	integer	the starting segment number
-	 * @param	array	an array of default values
-	 * @return	array
-	 */
-	function uri_to_assoc($n = 3, $default = array())
-	{
-	 	return $this->_uri_to_assoc($n, $default, 'segment');
-	}
-	/**
-	 * Identical to above only it uses the re-routed segment array
-	 *
-	 */
-	function ruri_to_assoc($n = 3, $default = array())
-	{
-	 	return $this->_uri_to_assoc($n, $default, 'rsegment');
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Generate a key value pair from the URI string or Re-routed URI string
-	 *
-	 * @access	private
-	 * @param	integer	the starting segment number
-	 * @param	array	an array of default values
-	 * @param	string	which array we should use
-	 * @return	array
-	 */
-	function _uri_to_assoc($n = 3, $default = array(), $which = 'segment')
-	{
-		if ($which == 'segment')
-		{
-			$total_segments = 'total_segments';
-			$segment_array = 'segment_array';
-		}
-		else
-		{
-			$total_segments = 'total_rsegments';
-			$segment_array = 'rsegment_array';
-		}
-
-		if ( ! is_numeric($n))
-		{
-			return $default;
-		}
-
-		if (isset($this->keyval[$n]))
-		{
-			return $this->keyval[$n];
-		}
-
-		if ($this->$total_segments() < $n)
-		{
-			if (count($default) == 0)
-			{
-				return array();
-			}
-
-			$retval = array();
-			foreach ($default as $val)
-			{
-				$retval[$val] = FALSE;
-			}
-			return $retval;
-		}
-
-		$segments = array_slice($this->$segment_array(), ($n - 1));
-
-		$i = 0;
-		$lastval = '';
-		$retval  = array();
-		foreach ($segments as $seg)
-		{
-			if ($i % 2)
-			{
-				$retval[$lastval] = $seg;
-			}
-			else
-			{
-				$retval[$seg] = FALSE;
-				$lastval = $seg;
-			}
-
-			$i++;
-		}
-
-		if (count($default) > 0)
-		{
-			foreach ($default as $val)
-			{
-				if ( ! array_key_exists($val, $retval))
-				{
-					$retval[$val] = FALSE;
-				}
-			}
-		}
-
-		// Cache the array for reuse
-		$this->keyval[$n] = $retval;
-		return $retval;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Generate a URI string from an associative array
-	 *
-	 *
-	 * @access	public
-	 * @param	array	an associative array of key/values
-	 * @return	array
-	 */
-	function assoc_to_uri($array)
-	{
-		$temp = array();
-		foreach ((array)$array as $key => $val)
-		{
-			$temp[] = $key;
-			$temp[] = $val;
-		}
-
-		return implode('/', $temp);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch a URI Segment and add a trailing slash
-	 *
-	 * @access	public
-	 * @param	integer
-	 * @param	string
-	 * @return	string
-	 */
-	function slash_segment($n, $where = 'trailing')
-	{
-		return $this->_slash_segment($n, $where, 'segment');
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch a URI Segment and add a trailing slash
-	 *
-	 * @access	public
-	 * @param	integer
-	 * @param	string
-	 * @return	string
-	 */
-	function slash_rsegment($n, $where = 'trailing')
-	{
-		return $this->_slash_segment($n, $where, 'rsegment');
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch a URI Segment and add a trailing slash - helper function
-	 *
-	 * @access	private
-	 * @param	integer
-	 * @param	string
-	 * @param	string
-	 * @return	string
-	 */
-	function _slash_segment($n, $where = 'trailing', $which = 'segment')
-	{
-		if ($where == 'trailing')
-		{
-			$trailing	= '/';
-			$leading	= '';
-		}
-		elseif ($where == 'leading')
-		{
-			$leading	= '/';
-			$trailing	= '';
-		}
-		else
-		{
-			$leading	= '/';
-			$trailing	= '/';
-		}
-		return $leading.$this->$which($n).$trailing;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Segment Array
-	 *
-	 * @access	public
-	 * @return	array
-	 */
-	function segment_array()
-	{
-		return $this->segments;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Routed Segment Array
-	 *
-	 * @access	public
-	 * @return	array
-	 */
-	function rsegment_array()
-	{
-		return $this->rsegments;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Total number of segments
-	 *
-	 * @access	public
-	 * @return	integer
-	 */
-	function total_segments()
-	{
-		return count($this->segments);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Total number of routed segments
-	 *
-	 * @access	public
-	 * @return	integer
-	 */
-	function total_rsegments()
-	{
-		return count($this->rsegments);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch the entire URI string
-	 *
-	 * @access	public
-	 * @return	string
-	 */
-	function uri_string()
-	{
-		return $this->uri_string;
-	}
-
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Fetch the entire Re-routed URI string
-	 *
-	 * @access	public
-	 * @return	string
-	 */
-	function ruri_string()
-	{
-		return '/'.implode('/', $this->rsegment_array()).'/';
-	}
-
-}
-// END URI Class
-
-/* End of file URI.php */
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

+/**

+ * CodeIgniter

+ *

+ * An open source application development framework for PHP 4.3.2 or newer

+ *

+ * @package		CodeIgniter

+ * @author		ExpressionEngine Dev Team

+ * @copyright	Copyright (c) 2008, EllisLab, Inc.

+ * @license		http://codeigniter.com/user_guide/license.html

+ * @link		http://codeigniter.com

+ * @since		Version 1.0

+ * @filesource

+ */

+

+// ------------------------------------------------------------------------

+

+/**

+ * URI Class

+ *

+ * Parses URIs and determines routing

+ *

+ * @package		CodeIgniter

+ * @subpackage	Libraries

+ * @category	URI

+ * @author		ExpressionEngine Dev Team

+ * @link		http://codeigniter.com/user_guide/libraries/uri.html

+ */

+class CI_URI {

+

+	var	$keyval	= array();

+	var $uri_string;

+	var $segments		= array();

+	var $rsegments		= array();

+

+	/**

+	 * Constructor

+	 *

+	 * Simply globalizes the $RTR object.  The front

+	 * loads the Router class early on so it's not available

+	 * normally as other classes are.

+	 *

+	 * @access	public

+	 */

+	function CI_URI()

+	{

+		$this->config =& load_class('Config');

+		log_message('debug', "URI Class Initialized");

+	}

+

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Get the URI String

+	 *

+	 * @access	private

+	 * @return	string

+	 */

+	function _fetch_uri_string()

+	{

+		if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')

+		{

+			// If the URL has a question mark then it's simplest to just

+			// build the URI string from the zero index of the $_GET array.

+			// This avoids having to deal with $_SERVER variables, which

+			// can be unreliable in some environments

+			if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '')

+			{

+				$this->uri_string = key($_GET);

+				return;

+			}

+

+			// Is there a PATH_INFO variable?

+			// Note: some servers seem to have trouble with getenv() so we'll test it two ways

+			$path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO');

+			if (trim($path, '/') != '' && $path != "/".SELF)

+			{

+				$this->uri_string = $path;

+				return;

+			}

+

+			// No PATH_INFO?... What about QUERY_STRING?

+			$path =  (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');

+			if (trim($path, '/') != '')

+			{

+				$this->uri_string = $path;

+				return;

+			}

+

+			// No QUERY_STRING?... Maybe the ORIG_PATH_INFO variable exists?

+			$path = (isset($_SERVER['ORIG_PATH_INFO'])) ? $_SERVER['ORIG_PATH_INFO'] : @getenv('ORIG_PATH_INFO');

+			if (trim($path, '/') != '' && $path != "/".SELF)

+			{

+				// remove path and script information so we have good URI data

+				$this->uri_string = str_replace($_SERVER['SCRIPT_NAME'], '', $path);

+				return;

+			}

+

+			// We've exhausted all our options...

+			$this->uri_string = '';

+		}

+		else

+		{

+			$uri = strtoupper($this->config->item('uri_protocol'));

+

+			if ($uri == 'REQUEST_URI')

+			{

+				$this->uri_string = $this->_parse_request_uri();

+				return;

+			}

+

+			$this->uri_string = (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri);

+		}

+

+		// If the URI contains only a slash we'll kill it

+		if ($this->uri_string == '/')

+		{

+			$this->uri_string = '';

+		}

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Parse the REQUEST_URI

+	 *

+	 * Due to the way REQUEST_URI works it usually contains path info

+	 * that makes it unusable as URI data.  We'll trim off the unnecessary

+	 * data, hopefully arriving at a valid URI that we can use.

+	 *

+	 * @access	private

+	 * @return	string

+	 */

+	function _parse_request_uri()

+	{

+		if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')

+		{

+			return '';

+		}

+

+		$request_uri = preg_replace("|/(.*)|", "\\1", str_replace("\\", "/", $_SERVER['REQUEST_URI']));

+

+		if ($request_uri == '' OR $request_uri == SELF)

+		{

+			return '';

+		}

+

+		$fc_path = FCPATH;

+		if (strpos($request_uri, '?') !== FALSE)

+		{

+			$fc_path .= '?';

+		}

+

+		$parsed_uri = explode("/", $request_uri);

+

+		$i = 0;

+		foreach(explode("/", $fc_path) as $segment)

+		{

+			if (isset($parsed_uri[$i]) && $segment == $parsed_uri[$i])

+			{

+				$i++;

+			}

+		}

+

+		$parsed_uri = implode("/", array_slice($parsed_uri, $i));

+

+		if ($parsed_uri != '')

+		{

+			$parsed_uri = '/'.$parsed_uri;

+		}

+

+		return $parsed_uri;

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Filter segments for malicious characters

+	 *

+	 * @access	private

+	 * @param	string

+	 * @return	string

+	 */

+	function _filter_uri($str)

+	{

+		if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE)

+		{

+			if ( ! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))

+			{

+				header('HTTP/1.1 400 Bad Request');

+				exit('The URI you submitted has disallowed characters.');

+			}

+		}

+

+		// Convert programatic characters to entities

+		$bad	= array('$', 		'(', 		')',	 	'%28', 		'%29');

+		$good	= array('&#36;',	'&#40;',	'&#41;',	'&#40;',	'&#41;');

+

+		return str_replace($bad, $good, $str);

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Remove the suffix from the URL if needed

+	 *

+	 * @access	private

+	 * @return	void

+	 */

+	function _remove_url_suffix()

+	{

+		if  ($this->config->item('url_suffix') != "")

+		{

+			$this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);

+		}

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Explode the URI Segments. The individual segments will

+	 * be stored in the $this->segments array.

+	 *

+	 * @access	private

+	 * @return	void

+	 */

+	function _explode_segments()

+	{

+		foreach(explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)

+		{

+			// Filter segments for security

+			$val = trim($this->_filter_uri($val));

+

+			if ($val != '')

+			{

+				$this->segments[] = $val;

+			}

+		}

+	}

+

+	// --------------------------------------------------------------------

+	/**

+	 * Re-index Segments

+	 *

+	 * This function re-indexes the $this->segment array so that it

+	 * starts at 1 rather than 0.  Doing so makes it simpler to

+	 * use functions like $this->uri->segment(n) since there is

+	 * a 1:1 relationship between the segment array and the actual segments.

+	 *

+	 * @access	private

+	 * @return	void

+	 */

+	function _reindex_segments()

+	{

+		array_unshift($this->segments, NULL);

+		array_unshift($this->rsegments, NULL);

+		unset($this->segments[0]);

+		unset($this->rsegments[0]);

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch a URI Segment

+	 *

+	 * This function returns the URI segment based on the number provided.

+	 *

+	 * @access	public

+	 * @param	integer

+	 * @param	bool

+	 * @return	string

+	 */

+	function segment($n, $no_result = FALSE)

+	{

+		return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch a URI "routed" Segment

+	 *

+	 * This function returns the re-routed URI segment (assuming routing rules are used)

+	 * based on the number provided.  If there is no routing this function returns the

+	 * same result as $this->segment()

+	 *

+	 * @access	public

+	 * @param	integer

+	 * @param	bool

+	 * @return	string

+	 */

+	function rsegment($n, $no_result = FALSE)

+	{

+		return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Generate a key value pair from the URI string

+	 *

+	 * This function generates and associative array of URI data starting

+	 * at the supplied segment. For example, if this is your URI:

+	 *

+	 *	example.com/user/search/name/joe/location/UK/gender/male

+	 *

+	 * You can use this function to generate an array with this prototype:

+	 *

+	 * array (

+	 *			name => joe

+	 *			location => UK

+	 *			gender => male

+	 *		 )

+	 *

+	 * @access	public

+	 * @param	integer	the starting segment number

+	 * @param	array	an array of default values

+	 * @return	array

+	 */

+	function uri_to_assoc($n = 3, $default = array())

+	{

+	 	return $this->_uri_to_assoc($n, $default, 'segment');

+	}

+	/**

+	 * Identical to above only it uses the re-routed segment array

+	 *

+	 */

+	function ruri_to_assoc($n = 3, $default = array())

+	{

+	 	return $this->_uri_to_assoc($n, $default, 'rsegment');

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Generate a key value pair from the URI string or Re-routed URI string

+	 *

+	 * @access	private

+	 * @param	integer	the starting segment number

+	 * @param	array	an array of default values

+	 * @param	string	which array we should use

+	 * @return	array

+	 */

+	function _uri_to_assoc($n = 3, $default = array(), $which = 'segment')

+	{

+		if ($which == 'segment')

+		{

+			$total_segments = 'total_segments';

+			$segment_array = 'segment_array';

+		}

+		else

+		{

+			$total_segments = 'total_rsegments';

+			$segment_array = 'rsegment_array';

+		}

+

+		if ( ! is_numeric($n))

+		{

+			return $default;

+		}

+

+		if (isset($this->keyval[$n]))

+		{

+			return $this->keyval[$n];

+		}

+

+		if ($this->$total_segments() < $n)

+		{

+			if (count($default) == 0)

+			{

+				return array();

+			}

+

+			$retval = array();

+			foreach ($default as $val)

+			{

+				$retval[$val] = FALSE;

+			}

+			return $retval;

+		}

+

+		$segments = array_slice($this->$segment_array(), ($n - 1));

+

+		$i = 0;

+		$lastval = '';

+		$retval  = array();

+		foreach ($segments as $seg)

+		{

+			if ($i % 2)

+			{

+				$retval[$lastval] = $seg;

+			}

+			else

+			{

+				$retval[$seg] = FALSE;

+				$lastval = $seg;

+			}

+

+			$i++;

+		}

+

+		if (count($default) > 0)

+		{

+			foreach ($default as $val)

+			{

+				if ( ! array_key_exists($val, $retval))

+				{

+					$retval[$val] = FALSE;

+				}

+			}

+		}

+

+		// Cache the array for reuse

+		$this->keyval[$n] = $retval;

+		return $retval;

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Generate a URI string from an associative array

+	 *

+	 *

+	 * @access	public

+	 * @param	array	an associative array of key/values

+	 * @return	array

+	 */

+	function assoc_to_uri($array)

+	{

+		$temp = array();

+		foreach ((array)$array as $key => $val)

+		{

+			$temp[] = $key;

+			$temp[] = $val;

+		}

+

+		return implode('/', $temp);

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch a URI Segment and add a trailing slash

+	 *

+	 * @access	public

+	 * @param	integer

+	 * @param	string

+	 * @return	string

+	 */

+	function slash_segment($n, $where = 'trailing')

+	{

+		return $this->_slash_segment($n, $where, 'segment');

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch a URI Segment and add a trailing slash

+	 *

+	 * @access	public

+	 * @param	integer

+	 * @param	string

+	 * @return	string

+	 */

+	function slash_rsegment($n, $where = 'trailing')

+	{

+		return $this->_slash_segment($n, $where, 'rsegment');

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch a URI Segment and add a trailing slash - helper function

+	 *

+	 * @access	private

+	 * @param	integer

+	 * @param	string

+	 * @param	string

+	 * @return	string

+	 */

+	function _slash_segment($n, $where = 'trailing', $which = 'segment')

+	{

+		if ($where == 'trailing')

+		{

+			$trailing	= '/';

+			$leading	= '';

+		}

+		elseif ($where == 'leading')

+		{

+			$leading	= '/';

+			$trailing	= '';

+		}

+		else

+		{

+			$leading	= '/';

+			$trailing	= '/';

+		}

+		return $leading.$this->$which($n).$trailing;

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Segment Array

+	 *

+	 * @access	public

+	 * @return	array

+	 */

+	function segment_array()

+	{

+		return $this->segments;

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Routed Segment Array

+	 *

+	 * @access	public

+	 * @return	array

+	 */

+	function rsegment_array()

+	{

+		return $this->rsegments;

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Total number of segments

+	 *

+	 * @access	public

+	 * @return	integer

+	 */

+	function total_segments()

+	{

+		return count($this->segments);

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Total number of routed segments

+	 *

+	 * @access	public

+	 * @return	integer

+	 */

+	function total_rsegments()

+	{

+		return count($this->rsegments);

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch the entire URI string

+	 *

+	 * @access	public

+	 * @return	string

+	 */

+	function uri_string()

+	{

+		return $this->uri_string;

+	}

+

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Fetch the entire Re-routed URI string

+	 *

+	 * @access	public

+	 * @return	string

+	 */

+	function ruri_string()

+	{

+		return '/'.implode('/', $this->rsegment_array()).'/';

+	}

+

+}

+// END URI Class

+

+/* End of file URI.php */

 /* Location: ./system/libraries/URI.php */
\ No newline at end of file