Scrap Arr::dot and put dot notation support in Arr::get.

system/arr.php

@@ -5,7 +5,8 @@ class Arr {
 	/**
 	 * Get an item from an array.
 	 *
-	 * If the specified key is null, the entire array will be returned.
+	 * If the specified key is null, the entire array will be returned. The array may
+	 * also be accessed using JavaScript "dot" style notation.
 	 *
 	 * @param  array   $array
 	 * @param  string  $key
@@ -19,29 +20,6 @@ class Arr {
 			return $array;
 		}
 
-		if (array_key_exists($key, $array))
-		{
-			return $array[$key];
-		}
-
-		return is_callable($default) ? call_user_func($default) : $default;
-	}
-
-	/**
-	 * Get an item from an array using JavaScript style "dot" notation.
-	 *
-	 * @param  array   $array
-	 * @param  string  $key
-	 * @param  mixed   $default
-	 * @return mixed
-	 */
-	public static function dot($array, $key, $default = null)
-	{
-		if (is_null($key))
-		{
-			return $array;
-		}
-
 		foreach (explode('.', $key) as $segment)
 		{
 			if ( ! isset($array[$segment]))