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vendor/php-flasher/flasher/Translation/Language.php

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+<?php
+
+/*
+ * This file is part of the PHPFlasher package.
+ * (c) Younes KHOUBZA <younes.khoubza@gmail.com>
+ */
+
+namespace Flasher\Prime\Translation;
+
+final class Language
+{
+    const LTR = 'ltr';
+    const RTL = 'rtl';
+
+    /**
+     * @param string $locale
+     *
+     * @return string
+     */
+    public static function direction($locale)
+    {
+        if (!\extension_loaded('intl')) {
+            return self::LTR;
+        }
+
+        $resource = \ResourceBundle::create($locale, 'ICUDATA', true);
+        if (null === $resource) {
+            return self::LTR;
+        }
+
+        $layout = $resource->get('layout');
+        if (!$layout instanceof \ResourceBundle) {
+            return self::LTR;
+        }
+
+        $characters = $layout->get('characters');
+        if (!\is_string($characters)) {
+            return self::LTR;
+        }
+
+        return 'right-to-left' === $characters ? self::RTL : self::LTR;
+    }
+
+    /**
+     * @param string $locale
+     *
+     * @return bool
+     */
+    public static function isRTL($locale)
+    {
+        return self::RTL === self::direction($locale);
+    }
+
+    /**
+     * @param string $locale
+     *
+     * @return bool
+     */
+    public static function isLTR($locale)
+    {
+        return self::LTR === self::direction($locale);
+    }
+}