3 files changed, 6 insertions, 16 deletions
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 45c5c09b9..66b5803dd 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -405,7 +405,7 @@ class CI_Email {
 	 * @param	array	$config = array()
 	 * @return	void
 	 */
-	public function __construct($config = array())
+	public function __construct(array $config = array())
 	{
 		$this->charset = config_item('charset');
 
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index f161b40e7..9d1660258 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1151,9 +1151,7 @@ class CI_Form_validation {
 			return FALSE;
 		}
 
-		return (MB_ENABLED === TRUE)
-			? ($val <= mb_strlen($str))
-			: ($val <= strlen($str));
+		return ($val <= mb_strlen($str));
 	}
 
 	// --------------------------------------------------------------------
@@ -1172,9 +1170,7 @@ class CI_Form_validation {
 			return FALSE;
 		}
 
-		return (MB_ENABLED === TRUE)
-			? ($val >= mb_strlen($str))
-			: ($val >= strlen($str));
+		return ($val >= mb_strlen($str));
 	}
 
 	// --------------------------------------------------------------------
@@ -1193,9 +1189,7 @@ class CI_Form_validation {
 			return FALSE;
 		}
 
-		return (MB_ENABLED === TRUE)
-			? (mb_strlen($str) === (int) $val)
-			: (strlen($str) === (int) $val);
+		return (mb_strlen($str) === (int) $val);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index f3b819af9..54d31ee1a 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -94,10 +94,7 @@ class CI_Session {
 			$this->_driver = 'database';
 		}
 
-		if (($class = $this->_ci_load_classes($this->_driver)) === FALSE)
-		{
-			return;
-		}
+		$class = $this->_ci_load_classes($this->_driver);
 
 		// Configuration ...
 		$this->_configure($params);
@@ -230,8 +227,7 @@ class CI_Session {
 
 			if ( ! class_exists('CI_'.$class, FALSE) && ! class_exists($class, FALSE))
 			{
-				log_message('error', "Session: Configured driver '".$driver."' was not found. Aborting.");
-				return FALSE;
+				throw new \UnexpectedValueException("Session: Configured driver '".$driver."' was not found. Aborting.");
 			}
 		}