Merge https://github.com/EllisLab/CodeIgniter into test-encryption-class

25 files changed, 138 insertions, 105 deletions

diff --git a/application/config/user_agents.php b/application/config/user_agents.php
index 76114616b..416ef5679 100644
--- a/application/config/user_agents.php
+++ b/application/config/user_agents.php
@@ -29,11 +29,10 @@
 | -------------------------------------------------------------------
 | USER AGENT TYPES
 | -------------------------------------------------------------------
-| This file contains four arrays of user agent data.  It is used by the
+| This file contains four arrays of user agent data. It is used by the
 | User Agent Class to help identify browser, platform, robot, and
-| mobile device data.  The array keys are used to identify the device
+| mobile device data. The array keys are used to identify the device
 | and the array values are used to set the actual name of the item.
-|
 */
 
 $platforms = array(
@@ -179,6 +178,7 @@ $mobiles = array(
 	'operamini'		=> 'Opera Mini',
 	'opera mini'	=> 'Opera Mini',
 	'opera mobi'	=> 'Opera Mobile',
+	'fennec'	=> 'Firefox Mobile',
 
 	// Other
 	'digital paths'	=> 'Digital Paths',
diff --git a/readme.rst b/readme.rst
index 4707847c7..7b718febb 100644
--- a/readme.rst
+++ b/readme.rst
@@ -183,8 +183,6 @@ Resources
 
 -  `User Guide <http://codeigniter.com/user_guide/>`_
 -  `Community Forums <http://codeigniter.com/forums/>`_
--  `User
-   Voice <http://codeigniter.uservoice.com/forums/40508-codeigniter-reactor>`_
 -  `Community Wiki <http://codeigniter.com/wiki/>`_
 -  `Community IRC <http://codeigniter.com/irc/>`_
 
diff --git a/system/core/Input.php b/system/core/Input.php
index 73f46ba6a..b986c4973 100755
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -383,7 +383,7 @@ class CI_Input {
 	 */
 	public function valid_ip($ip)
 	{
-		return (bool) filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
+		return (bool) filter_var($ip, FILTER_VALIDATE_IP);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/core/Output.php b/system/core/Output.php
index 09656711b..5588ffe8e 100755
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -200,7 +200,7 @@ class CI_Output {
 	 * @param	string	extension of the file we're outputting
 	 * @return	void
 	 */
-	public function set_content_type($mime_type)
+	public function set_content_type($mime_type, $charset = NULL)
 	{
 		if (strpos($mime_type, '/') === FALSE)
 		{
@@ -218,7 +218,13 @@ class CI_Output {
 			}
 		}
 
-		$header = 'Content-Type: '.$mime_type;
+		if (empty($charset))
+		{
+			$charset = config_item('charset');
+		}
+
+		$header = 'Content-Type: '.$mime_type
+			.(empty($charset) ? NULL : '; charset='.strtolower($charset));
 
 		$this->headers[] = array($header, TRUE);
 		return $this;
@@ -364,7 +370,7 @@ class CI_Output {
 
 		if ($this->parse_exec_vars === TRUE)
 		{
-			$memory	= function_exists('memory_get_usage') ? round(memory_get_usage()/1024/1024, 2).'MB' : '0';
+			$memory	= round(memory_get_usage() / 1024 / 1024, 2).'MB';
 
 			$output = str_replace(array('{elapsed_time}', '{memory_usage}'), array($elapsed, $memory), $output);
 		}
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 14f3c21bc..ba9110382 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -99,7 +99,7 @@ class CI_DB_Cache {
 		$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
 		$filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
 
-		if (FALSE === ($cachedata = read_file($filepath)))
+		if (FALSE === ($cachedata = file_get_contents($filepath)))
 		{
 			return FALSE;
 		}
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index 3708c2233..e6227e189 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -70,7 +70,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
 
-				if (array_key_exists('CONSTRAINT', $attributes))
+				if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT']))
 				{
 					$sql .= '('.$attributes['CONSTRAINT'].')';
 				}
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index 1529b2a21..d8b5193fa 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -70,7 +70,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
 
 				$sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
 
-				if (array_key_exists('CONSTRAINT', $attributes))
+				if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT']))
 				{
 					$sql .= '('.$attributes['CONSTRAINT'].')';
 				}
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index d53d986f9..be616f62d 100644
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -44,38 +44,15 @@ if ( ! function_exists('read_file'))
 	 *
 	 * Opens the file specfied in the path and returns it as a string.
 	 *
+	 * This function is DEPRECATED and should be removed in
+	 * CodeIgniter 3.1+. Use file_get_contents() instead.
+	 *
 	 * @param	string	path to file
 	 * @return	string
 	 */
 	function read_file($file)
 	{
-		if ( ! file_exists($file))
-		{
-			return FALSE;
-		}
-
-		if (function_exists('file_get_contents'))
-		{
-			return file_get_contents($file);
-		}
-
-		if ( ! $fp = @fopen($file, FOPEN_READ))
-		{
-			return FALSE;
-		}
-
-		flock($fp, LOCK_SH);
-
-		$data = '';
-		if (filesize($file) > 0)
-		{
-			$data =& fread($fp, filesize($file));
-		}
-
-		flock($fp, LOCK_UN);
-		fclose($fp);
-
-		return $data;
+		return @file_get_contents($file);
 	}
 }
 
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 410972187..984634315 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -325,7 +325,10 @@ if ( ! function_exists('form_dropdown'))
 			$selected = array($_POST[$name]);
 		}
 
-		if ($extra !== '') $extra = ' '.$extra;
+		if ($extra != '')
+		{
+			$extra = ' '.$extra;
+		}
 
 		$multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : '';
 
@@ -378,7 +381,7 @@ if ( ! function_exists('form_checkbox'))
 		{
 			$checked = $data['checked'];
 
-			if ($checked === FALSE)
+			if ($checked == FALSE)
 			{
 				unset($data['checked']);
 			}
@@ -388,7 +391,7 @@ if ( ! function_exists('form_checkbox'))
 			}
 		}
 
-		if ($checked === TRUE)
+		if ($checked == TRUE)
 		{
 			$defaults['checked'] = 'checked';
 		}
@@ -702,7 +705,7 @@ if ( ! function_exists('set_select'))
 					return '';
 				}
 			}
-			elseif (($field === '' OR $value === '') OR ($field !== $value))
+			elseif (($field == '' OR $value == '') OR $field !== $value)
 			{
 				return '';
 			}
@@ -753,7 +756,7 @@ if ( ! function_exists('set_checkbox'))
 					return '';
 				}
 			}
-			elseif (($field === '' OR $value === '') OR ($field !== $value))
+			elseif (($field == '' OR $value == '') OR $field !== $value)
 			{
 				return '';
 			}
@@ -806,7 +809,7 @@ if ( ! function_exists('set_radio'))
 			}
 			else
 			{
-				if (($field === '' OR $value === '') OR ($field !== $value))
+				if (($field == '' OR $value == '') OR $field !== $value)
 				{
 					return '';
 				}
diff --git a/system/helpers/path_helper.php b/system/helpers/path_helper.php
index 13410545c..fec4a1a10 100644
--- a/system/helpers/path_helper.php
+++ b/system/helpers/path_helper.php
@@ -55,7 +55,7 @@ if ( ! function_exists('set_realpath'))
 		}
 
 		// Resolve the path
-		if (function_exists('realpath') && @realpath($path) !== FALSE)
+		if (@realpath($path) !== FALSE)
 		{
 			$path = realpath($path);
 		}
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index 6187a4a7a..3e6e91435 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -77,6 +77,9 @@ if ( ! function_exists('do_hash'))
 	/**
 	 * Hash encode a string
 	 *
+	 * This function is DEPRECATED and should be removed in
+	 * CodeIgniter 3.1+. Use hash() instead.
+	 *
 	 * @param	string
 	 * @param	string
 	 * @return	string
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index ce2c2b13a..5170de821 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -71,7 +71,7 @@ class CI_Cache_file extends CI_Driver {
 			return FALSE;
 		}
 
-		$data = unserialize(read_file($this->_cache_path.$id));
+		$data = unserialize(file_get_contents($this->_cache_path.$id));
 
 		if (time() >  $data['time'] + $data['ttl'])
 		{
@@ -165,7 +165,7 @@ class CI_Cache_file extends CI_Driver {
 			return FALSE;
 		}
 
-		$data = unserialize(read_file($this->_cache_path.$id));
+		$data = unserialize(file_get_contents($this->_cache_path.$id));
 
 		if (is_array($data))
 		{
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 9391d824b..c70144f7c 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -166,8 +166,8 @@ class CI_Email {
 		$this->_headers		= array();
 		$this->_debug_msg	= array();
 
-		$this->_set_header('User-Agent', $this->useragent);
-		$this->_set_header('Date', $this->_set_date());
+		$this->set_header('User-Agent', $this->useragent);
+		$this->set_header('Date', $this->_set_date());
 
 		if ($clear_attachments !== FALSE)
 		{
@@ -215,8 +215,8 @@ class CI_Email {
 			}
 		}
 
-		$this->_set_header('From', $name.' <'.$from.'>');
-		$this->_set_header('Return-Path', '<'.$from.'>');
+		$this->set_header('From', $name.' <'.$from.'>');
+		$this->set_header('Return-Path', '<'.$from.'>');
 
 		return $this;
 	}
@@ -252,7 +252,7 @@ class CI_Email {
 			$name = '"'.$name.'"';
 		}
 
-		$this->_set_header('Reply-To', $name.' <'.$replyto.'>');
+		$this->set_header('Reply-To', $name.' <'.$replyto.'>');
 		$this->_replyto_flag = TRUE;
 
 		return $this;
@@ -278,7 +278,7 @@ class CI_Email {
 
 		if ($this->_get_protocol() !== 'mail')
 		{
-			$this->_set_header('To', implode(', ', $to));
+			$this->set_header('To', implode(', ', $to));
 		}
 
 		switch ($this->_get_protocol())
@@ -312,7 +312,7 @@ class CI_Email {
 			$this->validate_email($cc);
 		}
 
-		$this->_set_header('Cc', implode(', ', $cc));
+		$this->set_header('Cc', implode(', ', $cc));
 
 		if ($this->_get_protocol() === 'smtp')
 		{
@@ -352,7 +352,7 @@ class CI_Email {
 		}
 		else
 		{
-			$this->_set_header('Bcc', implode(', ', $bcc));
+			$this->set_header('Bcc', implode(', ', $bcc));
 		}
 
 		return $this;
@@ -369,7 +369,7 @@ class CI_Email {
 	public function subject($subject)
 	{
 		$subject = $this->_prep_q_encoding($subject);
-		$this->_set_header('Subject', $subject);
+		$this->set_header('Subject', $subject);
 		return $this;
 	}
 
@@ -424,7 +424,7 @@ class CI_Email {
 	 * @param	string
 	 * @return	void
 	 */
-	protected function _set_header($header, $value)
+	public function set_header($header, $value)
 	{
 		$this->_headers[$header] = $value;
 	}
@@ -867,11 +867,11 @@ class CI_Email {
 	 */
 	protected function _build_headers()
 	{
-		$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));
-		$this->_set_header('X-Mailer', $this->useragent);
-		$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);
-		$this->_set_header('Message-ID', $this->_get_message_id());
-		$this->_set_header('Mime-Version', '1.0');
+		$this->set_header('X-Sender', $this->clean_email($this->_headers['From']));
+		$this->set_header('X-Mailer', $this->useragent);
+		$this->set_header('X-Priority', $this->_priorities[$this->priority - 1]);
+		$this->set_header('Message-ID', $this->_get_message_id());
+		$this->set_header('Mime-Version', '1.0');
 	}
 
 	// --------------------------------------------------------------------
@@ -1305,7 +1305,7 @@ class CI_Email {
 
 			if ($this->protocol !== 'smtp')
 			{
-				$this->_set_header('Bcc', implode(', ', $bcc));
+				$this->set_header('Bcc', implode(', ', $bcc));
 			}
 			else
 			{
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
index aaac0c518..d96088c14 100644
--- a/system/libraries/Profiler.php
+++ b/system/libraries/Profiler.php
@@ -402,7 +402,7 @@ class CI_Profiler {
 			."\n"
 			.'<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage')."&nbsp;&nbsp;</legend>\n"
 			.'<div style="color:#5a0099;font-weight:normal;padding:4px 0 4px 0;">'
-			.((function_exists('memory_get_usage') && ($usage = memory_get_usage()) !== '') ? number_format($usage).' bytes' : $this->CI->lang->line('profiler_no_memory'))
+			.(($usage = memory_get_usage()) != '' ? number_format($usage).' bytes' : $this->CI->lang->line('profiler_no_memory'))
 			.'</div></fieldset>';
 	}
 
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index a87cf7e14..70ad8dc41 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -124,7 +124,7 @@ class CI_Unit_test {
 
 		$this->results[] = $report;
 
-		return($this->report($this->result($report)));
+		return $this->report($this->result($report));
 	}
 
 	// --------------------------------------------------------------------
@@ -289,15 +289,11 @@ class CI_Unit_test {
 	 */
 	protected function _backtrace()
 	{
-		if (function_exists('debug_backtrace'))
-		{
-			$back = debug_backtrace();
-			return array(
-					'file' => (isset($back[1]['file']) ? $back[1]['file'] : ''),
-					'line' => (isset($back[1]['line']) ? $back[1]['line'] : '')
-				);
-		}
-		return array('file' => 'Unknown', 'line' => 'Unknown');
+		$back = debug_backtrace();
+		return array(
+				'file' => (isset($back[1]['file']) ? $back[1]['file'] : ''),
+				'line' => (isset($back[1]['line']) ? $back[1]['line'] : '')
+			);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index c1e07de7a..1f6aeeb6b 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -694,7 +694,7 @@ class CI_Upload {
 			return FALSE;
 		}
 
-		if (function_exists('realpath') && @realpath($this->upload_path) !== FALSE)
+		if (@realpath($this->upload_path) !== FALSE)
 		{
 			$this->upload_path = str_replace('\\', '/', realpath($this->upload_path));
 		}
@@ -815,17 +815,17 @@ class CI_Upload {
 			return FALSE;
 		}
 
-		if (function_exists('memory_get_usage') && memory_get_usage() && ini_get('memory_limit'))
+		if (memory_get_usage() && ($memory_limit = ini_get('memory_limit')))
 		{
-			$current = ini_get('memory_limit') * 1024 * 1024;
+			$memory_limit *= 1024 * 1024;
 
 			// There was a bug/behavioural change in PHP 5.2, where numbers over one million get output
 			// into scientific notation. number_format() ensures this number is an integer
 			// http://bugs.php.net/bug.php?id=43053
 
-			$new_memory = number_format(ceil(filesize($file) + $current), 0, '.', '');
+			$memory_limit = number_format(ceil(filesize($file) + $memory_limit), 0, '.', '');
 
-			ini_set('memory_limit', $new_memory); // When an integer is used, the value is measured in bytes. - PHP.net
+			ini_set('memory_limit', $memory_limit); // When an integer is used, the value is measured in bytes. - PHP.net
 		}
 
 		// If the file being uploaded is an image, then we should have no problem with XSS attacks (in theory), but
@@ -849,14 +849,8 @@ class CI_Upload {
 			// <a, <body, <head, <html, <img, <plaintext, <pre, <script, <table, <title
 			// title is basically just in SVG, but we filter it anyhow
 
-			if ( ! preg_match('/<(a|body|head|html|img|plaintext|pre|script|table|title)[\s>]/i', $opening_bytes))
-			{
-				return TRUE; // its an image, no "triggers" detected in the first 256 bytes, we're good
-			}
-			else
-			{
-				return FALSE;
-			}
+			// if its an image or no "triggers" detected in the first 256 bytes - we're good
+			return ! preg_match('/<(a|body|head|html|img|plaintext|pre|script|table|title)[\s>]/i', $opening_bytes);
 		}
 
 		if (($data = @file_get_contents($file)) === FALSE)
diff --git a/tests/codeigniter/core/Input_test.php b/tests/codeigniter/core/Input_test.php
index cfc80c950..c9322c027 100644
--- a/tests/codeigniter/core/Input_test.php
+++ b/tests/codeigniter/core/Input_test.php
@@ -143,4 +143,19 @@ class Input_test extends CI_TestCase {
 		$this->assertEquals("Hello, i try to <script>alert('Hack');</script> your site", $harm);
 		$this->assertEquals("Hello, i try to [removed]alert&#40;'Hack'&#41;;[removed] your site", $harmless);
 	}
+
+	// --------------------------------------------------------------------
+	
+	public function test_valid_ip()
+	{
+		$ip_v4 = '192.18.0.1';
+		$this->assertTrue($this->input->valid_ip($ip_v4));
+
+		$ip_v6 = array('2001:0db8:0000:85a3:0000:0000:ac1f:8001', '2001:db8:0:85a3:0:0:ac1f:8001', '2001:db8:0:85a3::ac1f:8001');
+		foreach($ip_v6 as $ip)
+		{
+			$this->assertTrue($this->input->valid_ip($ip));
+		}
+	}
+
 }
\ No newline at end of file
diff --git a/tests/codeigniter/helpers/text_helper_test.php b/tests/codeigniter/helpers/text_helper_test.php
index 584066b0c..73e2b9429 100644
--- a/tests/codeigniter/helpers/text_helper_test.php
+++ b/tests/codeigniter/helpers/text_helper_test.php
@@ -122,7 +122,7 @@ class Text_helper_test extends CI_TestCase {
 
 	// ------------------------------------------------------------------------	
 
-	public function test_ellipsizing()
+	public function test_ellipsize()
 	{
 		$strs = array(
 			'0'		=> array(
@@ -156,4 +156,20 @@ class Text_helper_test extends CI_TestCase {
 
 	// ------------------------------------------------------------------------	
 
+	public function test_word_wrap()
+	{
+		$string = "Here is a simple string of text that will help us demonstrate this function.";
+		$word_wrapped = word_wrap($string, 25);
+		$this->assertEquals(substr_count($word_wrapped, "\n"), 4);
+	}
+
+	// ------------------------------------------------------------------------	
+
+	public function test_default_word_wrap_charlim()
+	{
+		$string = "Here is a longer string of text that will help us demonstrate the default charlim of this function.";
+		$word_wrapped = word_wrap($string);
+		$this->assertEquals(strpos($word_wrapped, "\n"), 73);
+	}
+
 }
\ No newline at end of file
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index c4c42d118..801f0e481 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -23,6 +23,7 @@ Release Date: Not Released
    -  Added an optional backtrace to php-error template.
    -  Added Android to the list of user agents.
    -  Added Windows 7, Android, Blackberry and iOS to the list of user platforms.
+   -  Added Fennec (Firefox for mobile) to the list of mobile user agents.
    -  Ability to log certain error types, not all under a threshold.
    -  Added support for pem, p10, p12, p7a, p7c, p7m, p7r, p7s, crt, crl, der, kdb, rsa, cer, sst, csr Certs to mimes.php.
    -  Added support for pgp and gpg to mimes.php.
@@ -43,19 +44,21 @@ Release Date: Not Released
 
 -  Helpers
 
-   -  create_captcha() accepts additional colors parameter, allowing for color customization
-   -  url_title() will now trim extra dashes from beginning and end.
+   -  ``create_captcha()`` accepts additional colors parameter, allowing for color customization.
+   -  ``url_title()`` will now trim extra dashes from beginning and end.
    -  Added XHTML Basic 1.1 doctype to :doc:`HTML Helper <helpers/html_helper>`.
-   -  Changed humanize() to include a second param for the separator.
+   -  Changed ``humanize()`` to include a second param for the separator.
    -  Refactored ``plural()`` and ``singular()`` to avoid double pluralization and support more words.
    -  Added an optional third parameter to ``force_download()`` that enables/disables sending the actual file MIME type in the Content-Type header (disabled by default).
    -  Added an optional third parameter to ``timespan()`` that constrains the number of time units displayed.
-   -  Added a work-around in force_download() for a bug Android <= 2.1, where the filename extension needs to be in uppercase.
-   -  form_dropdown() will now also take an array for unity with other form helpers.
-   -  set_realpath() can now also handle file paths as opposed to just directories.
-   -  do_hash() now uses PHP's native hash() function, supporting more algorithms.
-   -  Added an optional paramater to ``delete_files()`` to enable it to skip deleting files such as .htaccess and index.html.
-   -  Removed deprecated helper function ``js_insert_smiley()`` from smiley helper.
+   -  Added a work-around in ``force_download()`` for a bug Android <= 2.1, where the filename extension needs to be in uppercase.
+   -  ``form_dropdown()`` will now also take an array for unity with other form helpers.
+   -  ``do_hash()`` now uses PHP's native ``hash()`` function (supporting more algorithms) and is deprecated.
+   -  Removed previously deprecated helper function ``js_insert_smiley()`` from smiley helper.
+   -  :doc:`File Helper <helpers/file_helper>` changes include:
+	 - ``set_realpath()`` can now also handle file paths as opposed to just directories.
+	 - Added an optional paramater to ``delete_files()`` to enable it to skip deleting files such as .htaccess and index.html.
+	 - ``read_file()`` is now a deprecated alias of ``file_get_contents()``.
 
 -  Database
 
@@ -79,8 +82,8 @@ Release Date: Not Released
 	 -  Added _optimize_table() support for the :doc:`Database Utility Class <database/utilities>` (rebuilds table indexes).
 	 -  Added boolean data type support in escape().
 	 -  Added update_batch() support.
+	 -  Removed limit() and order_by() support for UPDATE and DELETE queries in as PostgreSQL does not support those features.
    -  Added a constructor to the DB_result class and moved all driver-specific properties and logic out of the base DB_driver class to allow better abstraction.
-   -  Removed limit() and order_by() support for UPDATE and DELETE queries in PostgreSQL driver. Postgres does not support those features.
    -  Removed protect_identifiers() and renamed internal method _protect_identifiers() to it instead - it was just an alias.
    -  MySQL and MySQLi drivers now require at least MySQL version 5.1.
    -  db_set_charset() now only requires one parameter (collation was only needed due to legacy support for MySQL versions prior to 5.1).
@@ -134,6 +137,8 @@ Release Date: Not Released
    -  Allowed for setting table class defaults in a config file.
    -  Added a Wincache driver to the :doc:`Caching Library <libraries/caching>`.
    -  Added dsn (delivery status notification) option to the :doc:`Email Library <libraries/email>`.
+   -  Input library now supports IPv6.
+   -  Renamed method _set_header() to set_header() and made it public to enable adding custom headers in the :doc:`Email Library <libraries/email>`.
 
 -  Core
 
@@ -148,6 +153,7 @@ Release Date: Not Released
    -  Renamed method _call_hook() to call_hook() in the :doc:`Hooks Library <general/hooks>`.
    -  Added get_content_type() method to the :doc:`Output Library <libraries/output>`.
    -  Added get_mimes() function to system/core/Commons.php to return the config/mimes.php array.
+   -  Added a second argument to set_content_type() in the :doc:`Output Library <libraries/output>` that allows setting the document charset as well.
 
 Bug fixes for 3.0
 ------------------
@@ -166,7 +172,7 @@ Bug fixes for 3.0
 -  Fixed a bug (#797) - timespan() was using incorrect seconds for year and month.
 -  Fixed a bug in CI_Cart::contents() where if called without a TRUE (or equal) parameter, it would fail due to a typo.
 -  Fixed a bug (#696) - make oci_execute() calls inside num_rows() non-committing, since they are only there to reset which row is next in line for oci_fetch calls and thus don't need to be committed.
--  Fixed a bug (#406) - sqlsrv DB driver not returning resource on ``db_pconnect()``.
+-  Fixed a bug (#406) - SQLSRV DB driver not returning resource on ``db_pconnect()``.
 -  Fixed a bug in CI_Image_lib::gd_loaded() where it was possible for the script execution to end or a PHP E_WARNING message to be emitted.
 -  Fixed a bug in the :doc:`Pagination library <libraries/pagination>` where when use_page_numbers=TRUE previous link and page 1 link did not have the same url.
 -  Fixed a bug (#561) - Errors in :doc:`XML-RPC Library <libraries/xmlrpc>` were not properly escaped.
@@ -224,10 +230,12 @@ Bug fixes for 3.0
 -  Fixed a bug (#121) - ``CI_DB_result::row()`` returned an array when there's no actual result to be returned.
 -  Fixed a bug (#319) - SQLSRV's affected_rows() method failed due to a scrollable cursor being created for write-type queries.
 -  Fixed a bug (#356) - PostgreSQL driver didn't have an _update_batch() method, which resulted in fatal error being triggered when update_batch() is used with it.
--  Fixed a bug (#862) - create_table() failed on SQLSRV/MSSQL when used with 'IF NOT EXISTS'.
+-  Fixed a bug (#784, #862) - :doc:`Database Forge <database/forge>` method ``create_table()`` failed on SQLSRV/MSSQL when used with 'IF NOT EXISTS'.
 -  Fixed a bug (#1419) - libraries/Driver.php had a static variable that was causing an error.
 -  Fixed a bug (#1411) - the :doc:`Email library <libraries/email>` used its own short list of MIMEs instead the one from config/mimes.php.
 -  Fixed a bug where the magic_quotes_runtime setting wasn't turned off for PHP 5.3 (where it is indeed deprecated, but not non-existent).
+-  Fixed a bug (#666) - :doc:`Output library <libraries/output>`'s set_content_type() method didn't set the document charset.
+-  Fixed a bug (#784, #861) - :doc:`Database Forge <database/forge>` method ``create_table()`` used to accept constraints for MSSQL/SQLSRV integer-type columns.
 
 Version 2.1.1
 =============
diff --git a/user_guide_src/source/general/core_classes.rst b/user_guide_src/source/general/core_classes.rst
index ac41407f7..4aa6693f7 100644
--- a/user_guide_src/source/general/core_classes.rst
+++ b/user_guide_src/source/general/core_classes.rst
@@ -31,6 +31,7 @@ time CodeIgniter runs:
 -  Log
 -  Output
 -  Router
+-  Security
 -  URI
 -  Utf8
 
diff --git a/user_guide_src/source/helpers/file_helper.rst b/user_guide_src/source/helpers/file_helper.rst
index bfc271eb3..60c5aa98c 100644
--- a/user_guide_src/source/helpers/file_helper.rst
+++ b/user_guide_src/source/helpers/file_helper.rst
@@ -32,6 +32,9 @@ The path can be a relative or full server path. Returns FALSE (boolean) on failu
 	controller or view files. CodeIgniter uses a front controller so paths
 	are always relative to the main site index.
 
+.. note:: This function is DEPRECATED. Use the native ``file_get_contents()``
+	instead.
+
 If your server is running an `open_basedir` restriction this function might not work if you are trying to access a file above the calling script.
 
 write_file('path', $data)
diff --git a/user_guide_src/source/helpers/security_helper.rst b/user_guide_src/source/helpers/security_helper.rst
index b1bcf2b4a..ec0be28b3 100644
--- a/user_guide_src/source/helpers/security_helper.rst
+++ b/user_guide_src/source/helpers/security_helper.rst
@@ -43,8 +43,10 @@ for a full list of supported algorithms.
 	$str = do_hash($str); // SHA1
 	$str = do_hash($str, 'md5'); // MD5
 
-.. note:: This function was formerly named dohash(), which has been
-	removed in favor of `do_hash()`.
+.. note:: This function was formerly named ``dohash()``, which has been
+	removed in favor of ``do_hash()``.
+
+.. note:: This function is DEPRECATED. Use the native ``hash()`` instead.
 
 strip_image_tags()
 ==================
diff --git a/user_guide_src/source/helpers/string_helper.rst b/user_guide_src/source/helpers/string_helper.rst
index 2d23fb00c..19500aa0d 100644
--- a/user_guide_src/source/helpers/string_helper.rst
+++ b/user_guide_src/source/helpers/string_helper.rst
@@ -36,8 +36,7 @@ alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
 -  **unique**: Encrypted with MD5 and uniqid(). Note: The length
    parameter is not available for this type. Returns a fixed length 32
    character string.
--  **sha1**: An encrypted random number based on do_hash() from the
-   :doc:`security helper <security_helper>`.
+-  **sha1**: An encrypted random number based on ``sha1()``.
 
 Usage example
 
diff --git a/user_guide_src/source/libraries/email.rst b/user_guide_src/source/libraries/email.rst
index daf000907..f99eb91df 100644
--- a/user_guide_src/source/libraries/email.rst
+++ b/user_guide_src/source/libraries/email.rst
@@ -182,6 +182,14 @@ formatting which is added to the header string for people who do not
 accept HTML email. If you do not set your own message CodeIgniter will
 extract the message from your HTML email and strip the tags.
 
+$this->email->set_header()
+-----------------------
+
+Appends additional headers to the e-mail::
+
+	$this->email->set_header('Header1', 'Value1');
+	$this->email->set_header('Header2', 'Value2');
+
 $this->email->clear()
 ---------------------
 
diff --git a/user_guide_src/source/libraries/output.rst b/user_guide_src/source/libraries/output.rst
index baceaae7b..0472d14cf 100644
--- a/user_guide_src/source/libraries/output.rst
+++ b/user_guide_src/source/libraries/output.rst
@@ -49,6 +49,10 @@ data, JPEG's, XML, etc easily.
 .. important:: Make sure any non-mime string you pass to this method
 	exists in config/mimes.php or it will have no effect.
 
+You can also set the character set of the document, by passing a second argument::
+
+	$this->output->set_content_type('css', 'utf-8');
+
 $this->output->get_content_type();
 ==========================================