Add Arr::dot method

Author: cdtweb

README.md

@@ -252,4 +252,8 @@ A helper library for working with arrays.
 
 ##### `static flatten(array $array, string $separator = '.', string $prepend = '') : array`
 
-Flatten an associative array using a custom separator.
+Flatten an associative array using a custom separator.
+
+##### `static dot(array $array) : array`
+
+Flatten an associative array using a dot (.) separator.

src/Arr.php

@@ -32,4 +32,15 @@ public static function flatten(array $array, string $separator = '.', string $pr
 
         return $flatArray;
     }
+
+    /**
+     * Flatten an associative array using a dot (.) separator.
+     *
+     * @param array $array
+     * @return array
+     */
+    public static function dot(array $array): array
+    {
+        return self::flatten($array);
+    }
 }