Add thai baht currency code.

app/Casts/EncryptedCast.php

@@ -17,7 +17,7 @@ class EncryptedCast implements CastsAttributes
 {
     public function get($model, string $key, $value, array $attributes)
     {   
-        return strlen($value) > 1 ? decrypt($value) : null;
+        return is_string($value) && strlen($value) > 1 ? decrypt($value) : null;
     }
 
     public function set($model, string $key, $value, array $attributes)

database/migrations/2023_07_12_074829_add_thai_baht_currency_symbol.php

@@ -0,0 +1,34 @@
+<?php
+
+use App\Models\Currency;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $tb = Currency::find(21);
+
+        if($tb) {
+            $tb->symbol = '฿';
+            $tb->save();
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+};