From 08d64bb277a302b4677b15210012c48d78354543 Mon Sep 17 00:00:00 2001
From: Alexander Demidov <dimti@bk.ru>
Date: Mon, 10 Jun 2013 22:06:52 +0400
Subject: [PATCH] Set protected static $sizes default value - array(). Correct
 to getting sizes use with static::

---
 Image.class.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Image.class.php b/Image.class.php
index 8a13e49..2dd5bcf 100644
--- a/Image.class.php
+++ b/Image.class.php
@@ -10,7 +10,7 @@ class Image extends File
     public $original_filename;
     public $variants = array();
 
-    protected static $sizes;
+    protected static $sizes = array();
 
     /**
      * @param $class string
@@ -31,11 +31,16 @@ class Image extends File
 
     public function getSizes()
     {
-        return self::$sizes;
+        return static::$sizes;
     }
 
     public function getVariant($size)
     {
         return parent::getImageVariant($size);
     }
+
+    public function getIsNoEmpty()
+    {
+        return (bool) $this->size;
+    }
 }
\ No newline at end of file