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The ResourceBundle class

(PHP 5 >= 5.3.2, PHP 7, PHP 8, PECL intl >= 2.0.0)

Introduction

Localized software products often require sets of data that are to be customized depending on current locale, e.g.: messages, labels, formatting patterns. ICU resource mechanism allows to define sets of resources that the application can load on locale basis, while accessing them in unified locale-independent fashion.

This class implements access to ICU resource data files. These files are binary data arrays which ICU uses to store the localized data.

ICU resource bundle can hold simple resources and complex resources. Complex resources are containers which can be either integer-indexed or string-indexed (just like PHP arrays). Simple resources can be of the following types: string, integer, binary data field or integer array.

ResourceBundle supports direct access to the data through array access pattern and iteration via foreach, as well as access via class methods. The result will be PHP value for simple resources and ResourceBundle object for complex ones. All resources are read-only.

Class synopsis

class ResourceBundle implements IteratorAggregate, Countable {
/* Methods */
public __construct(?string $locale, ?string $bundle, bool $fallback = true)
public count(): int
public static create(?string $locale, ?string $bundle, bool $fallback = true): ?ResourceBundle
public get(string|int $index, bool $fallback = true): ResourceBundle|array|string|int|null
public getErrorCode(): int
public getErrorMessage(): string
public static getLocales(string $bundle): array|false
}

Changelog

Version Description
8.0.0 ResourceBundle implements IteratorAggregate now. Previously, Traversable was implemented instead.
7.4.0 ResourceBundle implements Countable now.

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