[Intl] Moved the content of the README file to symfony/symfony-docs
This commit is contained in:
Bernhard Schussek
parent
9899de79ba
commit
4a5c453266
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@ -5,437 +5,12 @@ A PHP replacement layer for the C intl extension that includes additional data
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from the ICU library.
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The replacement layer is limited to the locale "en". If you want to use other
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locales, you should [install the intl extension] [10] instead.
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locales, you should [install the intl extension] [1] instead.
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Installation
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------------
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Documentation
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-------------
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You can install the component in two different ways:
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* Using the official Git repository (https://github.com/symfony/Intl);
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* [Install it via Composer] [0] (`symfony/intl` on [Packagist] [1]).
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If you install the component via Composer, the following classes and functions
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of the intl extension will be automatically provided if the intl extension is
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not loaded:
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* [`\Locale`] [2]
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* [`\NumberFormatter`] [3]
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* [`\IntlDateFormatter`] [4]
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* [`\Collator`] [5]
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* [`intl_is_failure()`] [6]
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* [`intl_get_error_code()`] [7]
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* [`intl_get_error_message()`] [8]
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* [`intl_error_name()`] [9]
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If you don't use Composer but the Symfony ClassLoader component, you need to
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load them manually by adding the following lines to your autoload code:
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if (!function_exists('intl_is_failure')) {
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require '/path/to/Icu/Resources/stubs/functions.php';
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$loader->registerPrefixFallback('/path/to/Icu/Resources/stubs');
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}
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Stubbed Classes
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---------------
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The stubbed classes of the intl extension are limited to the locale "en" and
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will throw an exception if you try to use a different locale. For using other
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locales, [install the intl extension] [10] instead.
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### Locale
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The only method supported in the [´\Locale`] [2] class is `getDefault()` and
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will always return "en". All other methods will throw an exception when used.
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### NumberFormatter
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Numbers can be formatted with the [`\NumberFormatter`] [3] class. The following
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methods are supported. All other methods are not supported and will throw an
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exception when used.
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##### __construct($locale = $style = null, $pattern = null)
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The only supported locale is "en". The supported styles are
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`\NumberFormatter::DECIMAL` and `\NumberFormatter::CURRENCY`. The argument
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`$pattern` may not be used.
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##### ::create($locale = $style = null, $pattern = null)
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See `__construct()`.
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##### formatCurrency($value, $currency)
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Fully supported.
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##### format($value, $type = \NumberFormatter::TYPE_DEFAULT)
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Only type `\NumberFormatter::TYPE_DEFAULT` is supported.
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##### getAttribute($attr)
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Fully supported.
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##### getErrorCode()
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Fully supported.
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##### getErrorMessage()
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Fully supported.
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##### getLocale($type = \Locale::ACTUAL_LOCALE)
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The parameter `$type` is ignored.
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##### parse($value, $type = \NumberFormatter::TYPE_DOUBLE, &$position = null)
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The supported types are `\NumberFormatter::TYPE_DOUBLE`,
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`\NumberFormatter::TYPE_INT32` and `\NumberFormatter::TYPE_INT64`. The
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parameter `$position` must always be `null`.
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##### setAttribute($attr, $value)
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The only supported attributes are `\NumberFormatter::FRACTION_DIGITS`,
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`\NumberFormatter::GROUPING_USED` and `\NumberFormatter::ROUNDING_MODE`.
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The only supported rounding modes are `\NumberFormatter::ROUND_HALFEVEN`,
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`\NumberFormatter::ROUND_HALFDOWN` and `\NumberFormatter::ROUND_HALFUP`.
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### IntlDateFormatter
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Dates can be formatted with the [`\IntlDateFormatter`] [4] class. The following
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methods are supported. All other methods are not supported and will throw an
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exception when used.
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##### __construct($locale, $datetype, $timetype, $timezone = null, $calendar = \IntlDateFormatter::GREGORIAN, $pattern = null)
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The only supported locale is "en". The parameter `$calendar` can only be
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`\IntlDateFormatter::GREGORIAN`.
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##### ::create($locale, $datetype, $timetype, $timezone = null, $calendar = self::GREGORIAN, $pattern = null)
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See `__construct()`.
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##### format($timestamp)
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Fully supported.
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##### getCalendar()
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Fully supported.
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##### getDateType()
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Fully supported.
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##### getErrorCode()
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Fully supported.
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##### getErrorMessage()
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Fully supported.
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##### getLocale($type = StubLocale::ACTUAL_LOCALE)
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The parameter `$type` is ignored.
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##### getPattern()
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Fully supported.
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##### getTimeType()
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Fully supported.
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##### getTimeZoneId()
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Fully supported.
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##### isLenient()
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Always returns `false`.
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##### parse($value, &$position = null)
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The parameter `$position` must always be `null`.
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##### setLenient($lenient)
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Only accepts `false`.
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##### setPattern($pattern)
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Fully supported.
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##### setTimeZoneId($timeZoneId)
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Fully supported.
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##### setTimeZone($timeZone)
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Fully supported.
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### Collator
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Localized strings can be sorted with the [`\Collator`] [5] class. The following
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methods are supported. All other methods are not supported and will throw an
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exception when used.
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##### __construct($locale)
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The only supported locale is "en".
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##### create($locale)
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See `__construct()`.
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##### asort(&$array, $sortFlag = self::SORT_REGULAR)
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Fully supported.
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##### getErrorCode()
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Fully supported.
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##### getErrorMessage()
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Fully supported.
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##### getLocale($type = StubLocale::ACTUAL_LOCALE)
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The parameter `$type` is ignored.
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### ResourceBundle
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The `\ResourceBundle` class is not and will not be supported. Instead, this
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component ships a set of readers and writers for reading and writing arrays
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(or array-like objects) from/to resource bundle files. The following classes
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are supported:
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##### TextBundleWriter
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Writes an array or an array-like object to a plain text resource bundle. The
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resulting .txt file can be converted to a binary .res file with the
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`BundleCompiler` class.
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use Symfony\Component\Intl\ResourceBundle\Writer\TextBundleWriter;
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use Symfony\Component\Intl\ResourceBundle\Compiler\BundleCompiler;
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$writer = new TextBundleWriter();
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$writer->write('/path/to/bundle', 'en', array(
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'Data' => array(
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'entry1',
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'entry2',
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...
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),
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));
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$compiler = new BundleCompiler();
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$compiler->compile('/path/to/bundle', '/path/to/binary/bundle');
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The command "genrb" must be available for the `BundleCompiler` to work. If the
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command is located in a non-standard location, you can pass its path to the
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`BundleCompiler` constructor.
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##### PhpBundleWriter
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Writes an array or an array-like object to a .php resource bundle.
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use Symfony\Component\Intl\ResourceBundle\Writer\PhpBundleWriter;
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$writer = new PhpBundleWriter();
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$writer->write('/path/to/bundle', 'en', array(
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'Data' => array(
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'entry1',
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'entry2',
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...
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),
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));
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##### BinaryBundleReader
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Reads binary resource bundle files and returns an array or an array-like object.
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This class currently only works with the intl extension installed.
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use Symfony\Component\Intl\ResourceBundle\Reader\BinaryBundleReader;
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$reader = new BinaryBundleReader();
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$data = $reader->read('/path/to/bundle', 'en');
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echo $data['Data']['entry1'];
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##### PhpBundleReader
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Reads resource bundles from .php files and returns an array or an array-like
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object.
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use Symfony\Component\Intl\ResourceBundle\Reader\PhpBundleReader;
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$reader = new PhpBundleReader();
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$data = $reader->read('/path/to/bundle', 'en');
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echo $data['Data']['entry1'];
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##### BufferedBundleReader
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Wraps another reader, but keeps the last N reads in a buffer, where N is a
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buffer size passed to the constructor.
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use Symfony\Component\Intl\ResourceBundle\Reader\BinaryBundleReader;
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use Symfony\Component\Intl\ResourceBundle\Reader\BufferedBundleReader;
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$reader = new BufferedBundleReader(new BinaryBundleReader(), 10);
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// actually reads the file
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$data = $reader->read('/path/to/bundle', 'en');
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// returns data from the buffer
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$data = $reader->read('/path/to/bundle', 'en');
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// actually reads the file
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$data = $reader->read('/path/to/bundle', 'fr');
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##### StructuredBundleReader
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Wraps another reader and offers a `readEntry()` method for reading an entry
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of the resource bundle without having to worry whether array keys are set or
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not. If a path cannot be resolved, `null` is returned.
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use Symfony\Component\Intl\ResourceBundle\Reader\BinaryBundleReader;
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use Symfony\Component\Intl\ResourceBundle\Reader\StructuredBundleReader;
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$reader = new StructuredBundleReader(new BinaryBundleReader());
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$data = $reader->read('/path/to/bundle', 'en');
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// Produces an error if the key "Data" does not exist
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echo $data['Data']['entry1'];
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// Returns null if the key "Data" does not exist
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echo $reader->readEntry('/path/to/bundle', 'en', array('Data', 'entry1'));
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Additionally, the `readEntry()` method resolves fallback locales. For example,
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the fallback locale of "en_GB" is "en". For single-valued entries (strings,
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numbers etc.), the entry will be read from the fallback locale if it cannot be
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found in the more specific locale. For multi-valued entries (arrays), the
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values of the more specific and the fallback locale will be merged. In order
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to suppress this behavior, the last parameter `$fallback` can be set to `false`.
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echo $reader->readEntry('/path/to/bundle', 'en', array('Data', 'entry1'), false);
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Included Resource Bundles
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-------------------------
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The ICU data is located in several "resource bundles". You can access a PHP
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wrapper of these bundles through the static `Intl` class.
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Languages and Scripts
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~~~~~~~~~~~~~~~~~~~~~
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The translations of language and script names can be found in the language
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bundle.
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use Symfony\Component\Intl\Intl;
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\Locale::setDefault('en');
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$languages = Intl::getLanguageBundle()->getLanguageNames();
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// => array('ab' => 'Abkhazian', ...)
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$language = Intl::getLanguageBundle()->getLanguageName('de');
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// => 'German'
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$language = Intl::getLanguageBundle()->getLanguageName('de', 'AT');
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// => 'Austrian German'
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$scripts = Intl::getLanguageBundle()->getScriptNames();
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// => array('Arab' => 'Arabic', ...)
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$script = Intl::getLanguageBundle()->getScriptName('Hans');
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// => 'Simplified'
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All methods accept the translation locale as last, optional parameter, which
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defaults to the current default locale.
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$languages = Intl::getLanguageBundle()->getLanguageNames('de');
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// => array('ab' => 'Abchasisch', ...)
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Countries
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~~~~~~~~~
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The translations of country names can be found in the region bundle.
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use Symfony\Component\Intl\Intl;
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\Locale::setDefault('en');
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$countries = Intl::getRegionBundle()->getCountryNames();
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// => array('AF' => 'Afghanistan', ...)
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$country = Intl::getRegionBundle()->getCountryName('GB');
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// => 'United Kingdom'
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All methods accept the translation locale as last, optional parameter, which
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defaults to the current default locale.
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$countries = Intl::getRegionBundle()->getCountryNames('de');
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// => array('AF' => 'Afghanistan', ...)
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Locales
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~~~~~~~
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The translations of locale names can be found in the locale bundle.
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use Symfony\Component\Intl\Intl;
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\Locale::setDefault('en');
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$locales = Intl::getLocaleBundle()->getLocaleNames();
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// => array('af' => 'Afrikaans', ...)
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$locale = Intl::getLocaleBundle()->getLocaleName('zh_Hans_MO');
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// => 'Chinese (Simplified, Macau SAR China)'
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All methods accept the translation locale as last, optional parameter, which
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defaults to the current default locale.
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$locales = Intl::getLocaleBundle()->getLocaleNames('de');
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// => array('af' => 'Afrikaans', ...)
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Currencies
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~~~~~~~~~~
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The translations of currency names and other currency-related information can
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be found in the currency bundle.
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use Symfony\Component\Intl\Intl;
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\Locale::setDefault('en');
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$currencies = Intl::getCurrencyBundle()->getCurrencyNames();
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// => array('AFN' => 'Afghan Afghani', ...)
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$currency = Intl::getCurrencyBundle()->getCurrencyName('INR');
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// => 'Indian Rupee'
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$symbol = Intl::getCurrencyBundle()->getCurrencySymbol('INR');
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// => '₹'
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$fractionDigits = Intl::getCurrencyBundle()->getFractionDigits('INR');
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// => 2
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$roundingIncrement = Intl::getCurrencyBundle()->getRoundingIncrement('INR');
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// => 0
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All methods (except for `getFractionDigits()` and `getRoundingIncrement()`)
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accept the translation locale as last, optional parameter, which defaults to the
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current default locale.
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$currencies = Intl::getCurrencyBundle()->getCurrencyNames('de');
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// => array('AFN' => 'Afghanische Afghani', ...)
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The documentation for the component can be found [online] [2].
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Resources
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---------
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@ -446,14 +21,5 @@ You can run the unit tests with the following command:
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$ composer.phar install --dev
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$ phpunit
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[0]: /components/using_components
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[1]: https://packagist.org/packages/symfony/intl
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[2]: http://www.php.net/manual/en/class.locale.php
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[3]: http://www.php.net/manual/en/class.numberformatter.php
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[4]: http://www.php.net/manual/en/class.intldateformatter.php
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[5]: http://www.php.net/manual/en/class.collator.php
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[6]: http://www.php.net/manual/en/function.intl-error-name.php
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[7]: http://www.php.net/manual/en/function.intl-get-error-code.php
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[8]: http://www.php.net/manual/en/function.intl-get-error-message.php
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[9]: http://www.php.net/manual/en/function.intl-is-failure.php
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[10]: http://www.php.net/manual/en/intl.setup.php
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[0]: http://www.php.net/manual/en/intl.setup.php
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[1]: http://symfony.com/doc/2.3/components/intl.html
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