Create "ZaSubdivisionCode" rule

library/Exceptions/SubdivisionCode/ZaSubdivisionCodeException.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 South Africa subdivision code.
+ *
+ * ISO 3166-1 alpha-2: ZA
+ */
+class ZaSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of South Africa',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of South Africa',
+        ),
+    );
+}

library/Rules/SubdivisionCode/ZaSubdivisionCode.php

@@ -0,0 +1,38 @@
+<?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 South Africa subdivision code.
+ *
+ * ISO 3166-1 alpha-2: ZA
+ *
+ * @link http://www.geonames.org/ZA/administrative-division-south-africa.html
+ */
+class ZaSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        'EC', // Eastern Cape
+        'FS', // Free State
+        'GP', // Gauteng
+        'LP', // Limpopo
+        'MP', // Mpumalanga
+        'NC', // Northern Cape
+        'NW', // North West
+        'WC', // Western Cape
+        'ZN', // KwaZulu-Natal
+    );
+
+    public $compareIdentical = true;
+}