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<?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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|
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namespace Automattic\Jetpack\Extensions\Shared; |
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|
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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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/** |
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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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|
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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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|
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if ( empty( $language ) ) { |
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return 'en'; |
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} |
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|
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return $language; |
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} |
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|
