new appraoch

pancake/system/vendor/illuminate/contracts/Database/Eloquent/CastsAttributes.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Illuminate\Contracts\Database\Eloquent;
+
+interface CastsAttributes
+{
+    /**
+     * Transform the attribute from the underlying model values.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function get($model, string $key, $value, array $attributes);
+
+    /**
+     * Transform the attribute to its underlying model values.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function set($model, string $key, $value, array $attributes);
+}