diff --git a/src/Enum.php b/src/Enum.php
index 33926fd..3ba6918 100644
--- a/src/Enum.php
+++ b/src/Enum.php
@@ -21,6 +21,7 @@ class Enum extends \yii\base\Object
     const TYPE_DATETIME = 'datetime';
     const TYPE_STRING   = 'string';
     const TYPE_RESOURCE = 'resource';
+    const TYPE_UNKNOWN  = 'unknown';
 
    /**
     *
@@ -47,29 +48,29 @@ class Enum extends \yii\base\Object
      */
     public static function getType( $var )
     {
-        if (is_array($var)) {
-            return static::TYPE_ARRAY;
-        } elseif (is_object($var)) {
-            return "object";
-            //return $var::className();
-        } elseif (is_resource($var)) {
-            return 'resource';
-        } elseif (is_null($var)) {
-            return static::TYPE_NULL;
-        } elseif (is_bool($var)) {
-            return static::TYPE_BOOL;
-        } elseif (is_float($var) || (is_numeric(str_replace(',', '', $var)) && strpos($var, '.') > 0 &&
-                is_float((float)str_replace(',', '', $var)))
-        ) {
-            return static::TYPE_FLOAT;
-        } elseif (is_int($var) || (is_numeric($var) && is_int((int)$var))) {
-            return static::TYPE_INT;
-        } elseif (is_scalar($var) && strtotime($var) !== false) {
-            return static::TYPE_DATETIME;
-        } elseif (is_scalar($var)) {
-            return static::TYPE_STRING;
+        switch( $var ) {
+            case is_null( $var ):
+                return static::TYPE_NULL;
+                break;
+            case is_bool( $var );
+                return static::TYPE_BOOL;
+                break;
+            case is_float( $var ):
+            case is_numeric( str_replace( ',', '', $var ) ) && strpos( $var, '.' ) > 0 && is_float( ( float )str_replace( ',', '', $var ) ):
+                return static::TYPE_FLOAT;
+                break;
+            case is_int( $var ) || ( is_numeric( $var ) && is_int( ( int )$var ) ):
+                return static::TYPE_INT;
+                break;
+            case is_scalar( $var ) && strtotime( $var ) !== false:
+                return static::TYPE_DATETIME;
+                break;
+            case is_scalar( $var ):
+                return static::TYPE_STRING;
+                break;
+            default:
+                return static::TYPE_UNKNOWN;
         }
-        return 'unknown';
     }
 
     /**