Automated merge with http://hg.ellislab.com/CodeIgniter2

1 files changed, 123 insertions, 123 deletions

diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index a27914487..a8be8a877 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -27,7 +27,7 @@
  * @link		http://codeigniter.com/user_guide/libraries/trackback.html
  */
 class CI_Trackback {
-		
+
 	var $time_format	= 'local';
 	var $charset		= 'UTF-8';
 	var $data			= array('url' => '', 'title' => '', 'excerpt' => '', 'blog_name' => '', 'charset' => '');
@@ -44,24 +44,24 @@ class CI_Trackback {
 	{
 		log_message('debug', "Trackback Class Initialized");
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Send Trackback
 	 *
 	 * @access	public
 	 * @param	array
 	 * @return	bool
-	 */	
+	 */
 	function send($tb_data)
-	{		
+	{
 		if ( ! is_array($tb_data))
 		{
 			$this->set_error('The send() method must be passed an array');
 			return FALSE;
 		}
-		
+
 		// Pre-process the Trackback Data
 		foreach (array('url', 'title', 'excerpt', 'blog_name', 'ping_url') as $item)
 		{
@@ -70,14 +70,14 @@ class CI_Trackback {
 				$this->set_error('Required item missing: '.$item);
 				return FALSE;
 			}
-			
+
 			switch ($item)
 			{
 				case 'ping_url'	: $$item = $this->extract_urls($tb_data[$item]);
 					break;
 				case 'excerpt'	: $$item = $this->limit_characters($this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
 					break;
-				case 'url'	 	: $$item = str_replace('-', '-', $this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
+				case 'url'		: $$item = str_replace('-', '-', $this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
 					break;
 				default			: $$item = $this->convert_xml(strip_tags(stripslashes($tb_data[$item])));
 					break;
@@ -103,9 +103,9 @@ class CI_Trackback {
 
 		// Build the Trackback data string
 		$charset = ( ! isset($tb_data['charset'])) ? $this->charset : $tb_data['charset'];
-		
+
 		$data = "url=".rawurlencode($url)."&title=".rawurlencode($title)."&blog_name=".rawurlencode($blog_name)."&excerpt=".rawurlencode($excerpt)."&charset=".rawurlencode($charset);
-				
+
 		// Send Trackback(s)
 		$return = TRUE;
 		if (count($ping_url) > 0)
@@ -116,14 +116,14 @@ class CI_Trackback {
 				{
 					$return = FALSE;
 				}
-			}	
+			}
 		}
 
 		return $return;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Receive Trackback  Data
 	 *
@@ -134,9 +134,9 @@ class CI_Trackback {
 	 *
 	 * @access	public
 	 * @return	bool
-	 */	
+	 */
 	function receive()
-	{  					
+	{
 		foreach (array('url', 'title', 'blog_name', 'excerpt') as $val)
 		{
 			if ( ! isset($_POST[$val]) OR $_POST[$val] == '')
@@ -144,29 +144,29 @@ class CI_Trackback {
 				$this->set_error('The following required POST variable is missing: '.$val);
 				return FALSE;
 			}
-			
+
 			$this->data['charset'] = ( ! isset($_POST['charset'])) ? 'auto' : strtoupper(trim($_POST['charset']));
-	
+
 			if ($val != 'url' && function_exists('mb_convert_encoding'))
 			{
 				$_POST[$val] = mb_convert_encoding($_POST[$val], $this->charset, $this->data['charset']);
 			}
-			
+
 			$_POST[$val] = ($val != 'url') ? $this->convert_xml(strip_tags($_POST[$val])) : strip_tags($_POST[$val]);
-			
+
 			if ($val == 'excerpt')
 			{
 				$_POST['excerpt'] = $this->limit_characters($_POST['excerpt']);
 			}
-			
+
 			$this->data[$val] = $_POST[$val];
 		}
 
 		return TRUE;
-	}	
-	
+	}
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Send Trackback Error Message
 	 *
@@ -177,15 +177,15 @@ class CI_Trackback {
 	 * @access	public
 	 * @param	string
 	 * @return	void
-	 */	
+	 */
 	function send_error($message = 'Incomplete Information')
 	{
 		echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>1</error>\n<message>".$message."</message>\n</response>";
 		exit;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Send Trackback Success Message
 	 *
@@ -194,29 +194,29 @@ class CI_Trackback {
 	 *
 	 * @access	public
 	 * @return	void
-	 */		
+	 */
 	function send_success()
 	{
 		echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>0</error>\n</response>";
 		exit;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Fetch a particular item
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function data($item)
 	{
 		return ( ! isset($this->data[$item])) ? '' : $this->data[$item];
 	}
 
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Process Trackback
 	 *
@@ -227,11 +227,11 @@ class CI_Trackback {
 	 * @param	string
 	 * @param	string
 	 * @return	bool
-	 */	
+	 */
 	function process($url, $data)
 	{
 		$target = parse_url($url);
-	
+
 		// Open the socket
 		if ( ! $fp = @fsockopen($target['host'], 80))
 		{
@@ -241,7 +241,7 @@ class CI_Trackback {
 
 		// Build the path
 		$ppath = ( ! isset($target['path'])) ? $url : $target['path'];
-		
+
 		$path = (isset($target['query']) && $target['query'] != "") ? $ppath.'?'.$target['query'] : $ppath;
 
 		// Add the Trackback ID to the data string
@@ -260,32 +260,32 @@ class CI_Trackback {
 
 		// Was it successful?
 		$this->response = "";
-		
+
 		while( ! feof($fp))
 		{
 			$this->response .= fgets($fp, 128);
 		}
 		@fclose($fp);
-		
-		
+
+
 		if (stristr($this->response, '<error>0</error>') === FALSE)
 		{
 			$message = 'An unknown error was encountered';
-			
+
 			if (preg_match("/<message>(.*?)<\/message>/is", $this->response, $match))
 			{
 				$message = trim($match['1']);
 			}
-			
+
 			$this->set_error($message);
 			return FALSE;
 		}
 
 		return TRUE;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Extract Trackback URLs
 	 *
@@ -296,34 +296,34 @@ class CI_Trackback {
 	 * @access	public
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function extract_urls($urls)
-	{		
+	{
 		// Remove the pesky white space and replace with a comma.
 		$urls = preg_replace("/\s*(\S+)\s*/", "\\1,", $urls);
-		
+
 		// If they use commas get rid of the doubles.
 		$urls = str_replace(",,", ",", $urls);
-		
+
 		// Remove any comma that might be at the end
 		if (substr($urls, -1) == ",")
 		{
 			$urls = substr($urls, 0, -1);
 		}
-				
+
 		// Break into an array via commas
 		$urls = preg_split('/[,]/', $urls);
-		
+
 		// Removes duplicates
 		$urls = array_unique($urls);
-		
+
 		array_walk($urls, array($this, 'validate_url'));
-		
+
 		return $urls;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Validate URL
 	 *
@@ -332,7 +332,7 @@ class CI_Trackback {
 	 * @access	public
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function validate_url($url)
 	{
 		$url = trim($url);
@@ -342,46 +342,46 @@ class CI_Trackback {
 			$url = "http://".$url;
 		}
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Find the Trackback URL's ID
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function get_id($url)
-	{	
+	{
 		$tb_id = "";
-		
+
 		if (strpos($url, '?') !== FALSE)
 		{
 			$tb_array = explode('/', $url);
 			$tb_end   = $tb_array[count($tb_array)-1];
-			
+
 			if ( ! is_numeric($tb_end))
 			{
 				$tb_end  = $tb_array[count($tb_array)-2];
 			}
-			
+
 			$tb_array = explode('=', $tb_end);
 			$tb_id	= $tb_array[count($tb_array)-1];
 		}
 		else
 		{
 			$url = rtrim($url, '/');
-				
+
 			$tb_array = explode('/', $url);
 			$tb_id	= $tb_array[count($tb_array)-1];
-			
+
 			if ( ! is_numeric($tb_id))
 			{
 				$tb_id  = $tb_array[count($tb_array)-2];
 			}
-		}	
-				
+		}
+
 		if ( ! preg_match ("/^([0-9]+)$/", $tb_id))
 		{
 			return FALSE;
@@ -389,11 +389,11 @@ class CI_Trackback {
 		else
 		{
 			return $tb_id;
-		}		
+		}
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Convert Reserved XML characters to Entities
 	 *
@@ -404,22 +404,22 @@ class CI_Trackback {
 	function convert_xml($str)
 	{
 		$temp = '__TEMP_AMPERSANDS__';
-		
+
 		$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
 		$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);
-		
+
 		$str = str_replace(array("&","<",">","\"", "'", "-"),
-						   array("&amp;", "&lt;", "&gt;", "&quot;", "&#39;", "&#45;"),
-						   $str);
-			
+							array("&amp;", "&lt;", "&gt;", "&quot;", "&#39;", "&#45;"),
+							$str);
+
 		$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
 		$str = preg_replace("/$temp(\w+);/","&\\1;", $str);
-			
+
 		return $str;
-	}	
-	
+	}
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Character limiter
 	 *
@@ -437,27 +437,27 @@ class CI_Trackback {
 		{
 			return $str;
 		}
-			
+
 		$str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str));
-	
+
 		if (strlen($str) <= $n)
 		{
 			return $str;
 		}
-										
+
 		$out = "";
 		foreach (explode(' ', trim($str)) as $val)
 		{
-			$out .= $val.' ';			
+			$out .= $val.' ';
 			if (strlen($out) >= $n)
 			{
 				return trim($out).$end_char;
-			}		
+			}
 		}
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * High ASCII to Entities
 	 *
@@ -470,58 +470,58 @@ class CI_Trackback {
 	 */
 	function convert_ascii($str)
 	{
-	   $count	= 1;
-	   $out	= '';
-	   $temp	= array();
-		
-	   for ($i = 0, $s = strlen($str); $i < $s; $i++)
-	   {
-		   $ordinal = ord($str[$i]);
-		
-		   if ($ordinal < 128)
-		   {
-			   $out .= $str[$i];			
-		   }
-		   else
-		   {
-			   if (count($temp) == 0)
-			   {
-				   $count = ($ordinal < 224) ? 2 : 3;
-			   }
-			
-			   $temp[] = $ordinal;
-			
-			   if (count($temp) == $count)
-			   {
-				   $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
-	
-				   $out .= '&#'.$number.';';
-				   $count = 1;
-				   $temp = array();
-			   }
-		   }
-	   }
-	
-	   return $out;
+		$count	= 1;
+		$out	= '';
+		$temp	= array();
+
+		for ($i = 0, $s = strlen($str); $i < $s; $i++)
+		{
+			$ordinal = ord($str[$i]);
+
+			if ($ordinal < 128)
+			{
+				$out .= $str[$i];
+			}
+			else
+			{
+				if (count($temp) == 0)
+				{
+					$count = ($ordinal < 224) ? 2 : 3;
+				}
+
+				$temp[] = $ordinal;
+
+				if (count($temp) == $count)
+				{
+					$number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
+
+					$out .= '&#'.$number.';';
+					$count = 1;
+					$temp = array();
+				}
+			}
+		}
+
+		return $out;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Set error message
 	 *
 	 * @access	public
 	 * @param	string
 	 * @return	void
-	 */	
+	 */
 	function set_error($msg)
 	{
 		log_message('error', $msg);
 		$this->error_msg[] = $msg;
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	/**
 	 * Show error messages
 	 *
@@ -529,15 +529,15 @@ class CI_Trackback {
 	 * @param	string
 	 * @param	string
 	 * @return	string
-	 */	
+	 */
 	function display_errors($open = '<p>', $close = '</p>')
-	{	
+	{
 		$str = '';
 		foreach ($this->error_msg as $val)
 		{
 			$str .= $open.$val.$close;
 		}
-	
+
 		return $str;
 	}