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<?php |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Applies visitor-locale-first rendering for frontend suggestion output. |
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*/ |
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class ABJ_404_Solution_FrontendSuggestionLocaleScope { |
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|
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/** |
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* Switch to the best frontend suggestion locale when WordPress supports it. |
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* |
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* @return bool True when a locale switch was accepted. |
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*/ |
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public function switchToFrontendLocale(): bool { |
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if (!function_exists('switch_to_locale') || !function_exists('restore_previous_locale')) { |
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return false; |
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} |
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|
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$targetLocale = $this->resolveFrontendSuggestionLocale(); |
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if ($targetLocale === '') { |
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return false; |
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} |
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|
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return switch_to_locale($targetLocale); |
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} |
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|
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/** |
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* Restore the previous locale when this scope switched it. |
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* |
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* @param bool $didSwitch |
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* @return void |
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*/ |
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public function restore(bool $didSwitch): void { |
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if ($didSwitch && function_exists('restore_previous_locale')) { |
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restore_previous_locale(); |
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} |
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} |
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|
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/** |
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* Resolve frontend locale with visitor-locale-first behavior. |
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* |
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* @return string |
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*/ |
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private function resolveFrontendSuggestionLocale(): string { |
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$polyLangLocale = $this->resolvePolylangLocale(); |
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if ($polyLangLocale !== '') { |
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return $polyLangLocale; |
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} |
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|
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$wpmlLocale = $this->resolveWpmlLocale(); |
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if ($wpmlLocale !== '') { |
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return $wpmlLocale; |
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} |
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|
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return $this->resolveWordPressLocale(); |
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} |
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|
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/** |
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* @return string |
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*/ |
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private function resolvePolylangLocale(): string { |
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if (function_exists('pll_current_language')) { |
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$pllLocale = pll_current_language('locale'); |
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if (is_string($pllLocale) && $pllLocale !== '') { |
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return $pllLocale; |
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} |
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} |
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return ''; |
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} |
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|
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/** |
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* @return string |
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*/ |
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private function resolveWpmlLocale(): string { |
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if (function_exists('apply_filters') && function_exists('has_filter') && has_filter('wpml_current_language')) { |
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$langCode = apply_filters('wpml_current_language', null); |
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if (is_string($langCode) && $langCode !== '' && has_filter('wpml_active_languages')) { |
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$active = apply_filters('wpml_active_languages', null, 'skip_missing=0'); |
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if (is_array($active) && isset($active[$langCode]) && is_array($active[$langCode])) { |
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$entry = $active[$langCode]; |
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if (!empty($entry['default_locale']) && is_string($entry['default_locale'])) { |
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return $entry['default_locale']; |
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} |
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if (!empty($entry['locale']) && is_string($entry['locale'])) { |
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return $entry['locale']; |
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} |
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} |
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} |
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} |
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return ''; |
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} |
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|
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/** |
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* @return string |
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*/ |
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private function resolveWordPressLocale(): string { |
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if (function_exists('determine_locale')) { |
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$locale = determine_locale(); |
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if (is_string($locale) && $locale !== '') { |
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return $locale; |
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} |
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} |
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|
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if (function_exists('get_locale')) { |
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$locale = get_locale(); |
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if (is_string($locale) && $locale !== '') { |
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return $locale; |
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} |
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} |
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|
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return ''; |
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} |
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} |
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|
