Create "TtSubdivisionCode" rule

library/Exceptions/SubdivisionCode/TtSubdivisionCodeException.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Exceptions\SubdivisionCode;
+
+use Respect\Validation\Exceptions\SubdivisionCodeException;
+
+/**
+ * Exception class for Trinidad and Tobago subdivision code.
+ *
+ * ISO 3166-1 alpha-2: TT
+ */
+class TtSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Trinidad and Tobago',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Trinidad and Tobago',
+        ),
+    );
+}

library/Rules/SubdivisionCode/TtSubdivisionCode.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Rules\SubdivisionCode;
+
+use Respect\Validation\Rules\AbstractSearcher;
+
+/**
+ * Validator for Trinidad and Tobago subdivision code.
+ *
+ * ISO 3166-1 alpha-2: TT
+ *
+ * @link http://www.geonames.org/TT/administrative-division-trinidad-and-tobago.html
+ */
+class TtSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        'ARI', // Arima
+        'CHA', // Chaguanas
+        'CTT', // Couva/Tabaquite/Talparo
+        'DMN', // Diego Martin
+        'ETO', // Eastern Tobago
+        'PED', // Penal/Debe
+        'POS', // Port of Spain
+        'PRT', // Princes Town
+        'PTF', // Point Fortin
+        'RCM', // Mayaro/Rio Claro
+        'SFO', // San Fernando
+        'SGE', // Sangre Grande
+        'SIP', // Siparia
+        'SJL', // San Juan/Laventille
+        'TUP', // Tunapuna/Piarco
+        'WTO', // Tobago
+    );
+
+    public $compareIdentical = true;
+}