added Image::width() and Image::height()

src/Intervention/Image/Image.php

@@ -213,6 +213,16 @@ class Image extends File
         return $this->getSize()->width;
     }
 
+    /**
+     * Alias of getWidth()
+     *
+     * @return integer
+     */
+    public function width()
+    {
+        return $this->getWidth();
+    }
+
     /**
      * Calculates current image height
      *
@@ -223,6 +233,16 @@ class Image extends File
         return $this->getSize()->height;
     }
 
+    /**
+     * Alias of getHeight
+     *
+     * @return integer
+     */
+    public function height()
+    {
+        return $this->getHeight();
+    }
+
     /**
      * Reads mime type
      *