Merge branch 'develop' of github.com:/EllisLab/CodeIgniter into load_config_units

3 files changed, 26 insertions, 9 deletions

diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 1b457aee4..fa1d5e9bf 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -98,6 +98,8 @@ class CI_Email {
 	 */
 	public function __construct($config = array())
 	{
+		$this->charset = strtoupper(config_item('charset'));
+
 		if (count($config) > 0)
 		{
 			$this->initialize($config);
@@ -1107,9 +1109,16 @@ class CI_Email {
 		// However, many developers choose to override that and violate
 		// the RFC rules due to (apparently) a bug in MS Exchange,
 		// which only works with "\n".
-		if ($this->crlf === "\r\n" && is_php('5.3'))
+		if ($this->crlf === "\r\n")
 		{
-			return quoted_printable_encode($str);
+			if (is_php('5.3'))
+			{
+				return quoted_printable_encode($str);
+			}
+			elseif (function_exists('imap_8bit'))
+			{
+				return imap_8bit($str);
+			}
 		}
 
 		// Reduce multiple spaces & remove nulls
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 679609251..73ab8ca7d 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -165,7 +165,7 @@ class CI_Encrypt {
 	 */
 	public function decode($string, $key = '')
 	{
-		if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
+		if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string) OR base64_encode(base64_decode($string)) !== $string)
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index b490a34ca..91f46b6de 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -134,12 +134,6 @@ class CI_Form_validation {
 		// Automatically load the form helper
 		$this->CI->load->helper('form');
 
-		// Set the character encoding in MB.
-		if (MB_ENABLED === TRUE)
-		{
-			mb_internal_encoding($this->CI->config->item('charset'));
-		}
-
 		log_message('debug', 'Form Validation Class Initialized');
 	}
 
@@ -977,6 +971,20 @@ class CI_Form_validation {
 	// --------------------------------------------------------------------
 
 	/**
+	 * Differs from another field
+	 *
+	 * @param	string
+	 * @param	string	field
+	 * @return	bool
+	 */
+	public function differs($str, $field)
+	{
+		return ! (isset($this->_field_data[$field]) && $this->_field_data[$field]['postdata'] === $str);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
 	 * Is Unique
 	 *
 	 * Check if the input value doesn't already exist