44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
<?php
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/**
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* Shared locale helper for extensions that load assets from widgets.wp.com.
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*
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* Used by CDN-based loaders (Image Studio, AI Sidebar) that need to map the
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* current user's WordPress locale to the ISO 639 language code used by the
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* widgets.wp.com translation files at languages/{code}-v1.js.
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*
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* @package automattic/jetpack
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*/
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namespace Automattic\Jetpack\Extensions\Shared;
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if ( ! defined( 'ABSPATH' ) ) {
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exit( 0 );
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}
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/**
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* Determine the ISO 639 locale code for the current user.
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*
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* Normalizes the WordPress user locale to match widgets.wp.com translation
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* file naming. Preserves region for a small set of locales where the region
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* is meaningful (pt_br, zh_tw, zh_cn); strips the region for all others;
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* falls back to 'en' when the locale is empty.
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*
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* @return string The ISO 639 language code, defaulting to 'en'.
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*/
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function determine_iso_639_locale(): string {
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$language = get_user_locale();
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$language = strtolower( $language );
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if ( in_array( $language, array( 'pt_br', 'pt-br', 'zh_tw', 'zh-tw', 'zh_cn', 'zh-cn' ), true ) ) {
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$language = str_replace( '_', '-', $language );
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} else {
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$language = preg_replace( '/([-_].*)$/i', '', $language );
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}
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if ( empty( $language ) ) {
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return 'en';
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}
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return $language;
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}
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