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plugins/simplesaml/lib/vendor/symfony/intl/Intl.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Intl;
+
+/**
+ * Gives access to internationalization data.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+final class Intl
+{
+    /**
+     * The number of resource bundles to buffer. Loading the same resource
+     * bundle for n locales takes up n spots in the buffer.
+     */
+    public const BUFFER_SIZE = 10;
+
+    /**
+     * The directory name of the currency data.
+     */
+    public const CURRENCY_DIR = 'currencies';
+
+    /**
+     * The directory name of the language data.
+     */
+    public const LANGUAGE_DIR = 'languages';
+
+    /**
+     * The directory name of the script data.
+     */
+    public const SCRIPT_DIR = 'scripts';
+
+    /**
+     * The directory name of the locale data.
+     */
+    public const LOCALE_DIR = 'locales';
+
+    /**
+     * The directory name of the region data.
+     */
+    public const REGION_DIR = 'regions';
+
+    /**
+     * The directory name of the zone data.
+     */
+    public const TIMEZONE_DIR = 'timezones';
+
+    private static string|false|null $icuVersion = false;
+    private static string $icuDataVersion;
+
+    /**
+     * Returns whether the intl extension is installed.
+     */
+    public static function isExtensionLoaded(): bool
+    {
+        return class_exists(\ResourceBundle::class);
+    }
+
+    /**
+     * Returns the version of the installed ICU library.
+     */
+    public static function getIcuVersion(): ?string
+    {
+        if (false === self::$icuVersion) {
+            if (!self::isExtensionLoaded()) {
+                self::$icuVersion = self::getIcuStubVersion();
+            } elseif (\defined('INTL_ICU_VERSION')) {
+                self::$icuVersion = \INTL_ICU_VERSION;
+            } else {
+                try {
+                    $reflector = new \ReflectionExtension('intl');
+                    ob_start();
+                    $reflector->info();
+                    $output = strip_tags(ob_get_clean());
+                    preg_match('/^ICU version (?:=>)?(.*)$/m', $output, $matches);
+
+                    self::$icuVersion = trim($matches[1]);
+                } catch (\ReflectionException) {
+                    self::$icuVersion = null;
+                }
+            }
+        }
+
+        return self::$icuVersion;
+    }
+
+    /**
+     * Returns the version of the installed ICU data.
+     */
+    public static function getIcuDataVersion(): string
+    {
+        return self::$icuDataVersion ??= trim(file_get_contents(self::getDataDirectory().'/version.txt'));
+    }
+
+    /**
+     * Returns the ICU version that the stub classes mimic.
+     */
+    public static function getIcuStubVersion(): string
+    {
+        return '76.1';
+    }
+
+    /**
+     * Returns the absolute path to the data directory.
+     */
+    public static function getDataDirectory(): string
+    {
+        return __DIR__.'/Resources/data';
+    }
+
+    /**
+     * This class must not be instantiated.
+     */
+    private function __construct()
+    {
+    }
+}