127 lines
3.1 KiB
PHP
127 lines
3.1 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Intl;
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/**
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* Gives access to internationalization data.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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final class Intl
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{
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/**
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* The number of resource bundles to buffer. Loading the same resource
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* bundle for n locales takes up n spots in the buffer.
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*/
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public const BUFFER_SIZE = 10;
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/**
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* The directory name of the currency data.
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*/
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public const CURRENCY_DIR = 'currencies';
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/**
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* The directory name of the language data.
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*/
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public const LANGUAGE_DIR = 'languages';
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/**
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* The directory name of the script data.
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*/
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public const SCRIPT_DIR = 'scripts';
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/**
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* The directory name of the locale data.
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*/
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public const LOCALE_DIR = 'locales';
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/**
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* The directory name of the region data.
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*/
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public const REGION_DIR = 'regions';
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/**
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* The directory name of the zone data.
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*/
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public const TIMEZONE_DIR = 'timezones';
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private static string|false|null $icuVersion = false;
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private static string $icuDataVersion;
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/**
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* Returns whether the intl extension is installed.
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*/
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public static function isExtensionLoaded(): bool
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{
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return class_exists(\ResourceBundle::class);
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}
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/**
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* Returns the version of the installed ICU library.
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*/
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public static function getIcuVersion(): ?string
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{
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if (false === self::$icuVersion) {
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if (!self::isExtensionLoaded()) {
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self::$icuVersion = self::getIcuStubVersion();
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} elseif (\defined('INTL_ICU_VERSION')) {
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self::$icuVersion = \INTL_ICU_VERSION;
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} else {
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try {
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$reflector = new \ReflectionExtension('intl');
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ob_start();
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$reflector->info();
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$output = strip_tags(ob_get_clean());
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preg_match('/^ICU version (?:=>)?(.*)$/m', $output, $matches);
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self::$icuVersion = trim($matches[1]);
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} catch (\ReflectionException) {
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self::$icuVersion = null;
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}
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}
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}
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return self::$icuVersion;
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}
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/**
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* Returns the version of the installed ICU data.
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*/
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public static function getIcuDataVersion(): string
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{
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return self::$icuDataVersion ??= trim(file_get_contents(self::getDataDirectory().'/version.txt'));
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}
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/**
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* Returns the ICU version that the stub classes mimic.
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*/
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public static function getIcuStubVersion(): string
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{
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return '75.1';
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}
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/**
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* Returns the absolute path to the data directory.
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*/
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public static function getDataDirectory(): string
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{
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return __DIR__.'/Resources/data';
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}
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/**
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* This class must not be instantiated.
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*/
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private function __construct()
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{
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}
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}
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