'locale' ) ) as $locale ) { $locales[] = $locale; }
}
if ( function_exists( 'icl_get_languages' ) ) {
foreach ( (array) icl_get_languages( 'skip_missing=0' ) as $language ) { $locales[] = $language['default_locale'] ?? ( $language['code'] ?? '' ); }
}
$out = array();
foreach ( $locales as $locale ) { $locale = LanguageAlternates::locale( $locale ); if ( $locale && 'x-default' !== $locale ) { $out[ $locale ] = $locale; } }
return array_values( $out );
}
/** Languages an editor can opt in to per article. The site default language is never listed: it always uses the normal PublishRank fields. */
public static function optional_locales() {
$default = strtolower( (string) LanguageAlternates::default_locale() );
return array_values(
array_filter(
self::locales(),
static function ( $locale ) use ( $default ) {
return strtolower( (string) $locale ) !== $default;
}
)
);
}
/** Common language catalog; configured WPML/Polylang/hreflang locales are merged at runtime. */
public static function catalog() {
return array(
'en' => 'English', 'en-US' => 'English (United States)', 'en-GB' => 'English (United Kingdom)',
'ur' => 'اردو (Urdu)', 'ur-PK' => 'اردو (پاکستان)', 'ar' => 'العربية (Arabic)', 'ar-SA' => 'العربية (Saudi Arabia)',
'fa' => 'فارسی (Persian)', 'he' => 'עברית (Hebrew)', 'bn' => 'বাংলা (Bengali)', 'hi' => 'हिन्दी (Hindi)',
'gu' => 'ગુજરાતી (Gujarati)', 'mr' => 'मराठी (Marathi)', 'ne' => 'नेपाली (Nepali)', 'pa' => 'ਪੰਜਾਬੀ (Punjabi)',
'ta' => 'தமிழ் (Tamil)', 'te' => 'తెలుగు (Telugu)', 'th' => 'ไทย (Thai)', 'zh-CN' => '简体中文 (Simplified Chinese)',
'zh-TW' => '繁體中文 (Traditional Chinese)', 'ja' => '日本語 (Japanese)', 'ko' => '한국어 (Korean)',
'de' => 'Deutsch (German)', 'es' => 'Español (Spanish)', 'fr' => 'Français (French)', 'it' => 'Italiano (Italian)',
'pt' => 'Português (Portuguese)', 'pt-BR' => 'Português do Brasil (Brazilian Portuguese)', 'nl' => 'Nederlands (Dutch)',
'pl' => 'Polski (Polish)', 'ru' => 'Русский (Russian)', 'uk' => 'Українська (Ukrainian)', 'tr' => 'Türkçe (Turkish)',
'sv' => 'Svenska (Swedish)', 'da' => 'Dansk (Danish)', 'no' => 'Norsk (Norwegian)', 'fi' => 'Suomi (Finnish)',
'cs' => 'Čeština (Czech)', 'el' => 'Ελληνικά (Greek)', 'ro' => 'Română (Romanian)', 'hu' => 'Magyar (Hungarian)',
'vi' => 'Tiếng Việt (Vietnamese)', 'id' => 'Bahasa Indonesia', 'ms' => 'Bahasa Melayu', 'sw' => 'Kiswahili',
);
}
public static function is_rtl( $locale ) {
return in_array( strtolower( preg_replace( '/-.*/', '', (string) $locale ) ), array( 'ar', 'fa', 'he', 'ur' ), true );
}
/** Resolve an exact locale first, then its base language, without changing the fallback value. */
public static function get_override( $post_id, $key ) {
if ( is_admin() || ( function_exists( 'wp_doing_ajax' ) && wp_doing_ajax() ) || ! get_option( 'publishrank_seo_multilingual_enabled', true ) ) { return ''; }
$field = self::field( $key );
if ( ! $field ) { return ''; }
$locale = LanguageAlternates::current_locale();
$data = get_post_meta( (int) $post_id, self::META_KEY, true );
if ( ! is_array( $data ) || ! $locale ) { return ''; }
$default = strtolower( (string) LanguageAlternates::default_locale() );
foreach ( array( $locale, preg_replace( '/-.*/', '', $locale ) ) as $candidate ) {
// The default language (English on most sites) always uses the normal PublishRank fields, so it can never clash with an override.
if ( strtolower( (string) $candidate ) === $default ) {
continue; }
if ( ! empty( $data[ $candidate ][ $field ] ) && is_scalar( $data[ $candidate ][ $field ] ) ) { return (string) $data[ $candidate ][ $field ]; }
}
return '';
}
public static function field( $key ) {
$map = array( PostMeta::TITLE => 'title', PostMeta::DESCRIPTION => 'description', PostMeta::FOCUS_KEYWORD => 'focus_keyword', PostMeta::OG_TITLE => 'og_title', PostMeta::OG_DESCRIPTION => 'og_description', PostMeta::OG_IMAGE => 'og_image', PostMeta::ROBOTS => 'robots' );
return $map[ $key ] ?? '';
}
public function add_meta_box( $post_type, $post ) {
if ( ! $post instanceof \WP_Post || ! post_type_supports( $post_type, 'editor' ) || ! current_user_can( 'edit_post', $post->ID ) ) { return; }
add_meta_box( 'publishrank-localized-seo', __( 'PublishRank Multilingual SEO', 'publishrank' ), array( $this, 'render' ), $post_type, 'normal', 'default' );
}
public function render( $post ) {
$data = get_post_meta( $post->ID, self::META_KEY, true );
$data = is_array( $data ) ? $data : array();
wp_nonce_field( 'publishrank_localized_seo', 'publishrank_localized_seo_nonce' );
$catalog = self::catalog();
$default = (string) LanguageAlternates::default_locale();
$default_label = isset( $catalog[ $default ] ) ? $catalog[ $default ] : $default;
echo '' . esc_html(
sprintf(
/* translators: %s: default language name. */
__( 'The default language (%s) always uses the normal PublishRank fields. Tick a language below only if this article has its own version in it; each ticked language gets its own SEO fields and overrides the normal ones on that language only.', 'publishrank' ),
$default_label
)
) . '
';
$optional = self::optional_locales();
echo '';
foreach ( $optional as $locale ) {
$label = isset( $catalog[ $locale ] ) ? $catalog[ $locale ] : $locale;
$on = ! empty( $data[ $locale ] ) && is_array( $data[ $locale ] );
echo '
' . esc_html__( 'Unticking a language and updating the article removes that language\'s overrides.', 'publishrank' ) . '
';
foreach ( $optional as $locale ) {
$label = isset( $catalog[ $locale ] ) ? $catalog[ $locale ] : $locale;
$row = isset( $data[ $locale ] ) && is_array( $data[ $locale ] ) ? $data[ $locale ] : array();
$on = ! empty( $row );
echo '' . esc_html( $locale . ' — ' . $label ) . ' ' . esc_html( $field_label ) . '
';
}
echo '