Displays or returns a Language selector.
Description
See also
Parameters
$args
string|arrayoptional- Array or string of arguments for outputting the language selector.
id
stringID attribute of the select element. Default'locale'
.name
stringName attribute of the select element. Default'locale'
.languages
string[]List of installed languages, contain only the locales.
translations
arrayList of available translations. Default result of wp_get_available_translations() .selected
stringLanguage which should be selected.echo
bool|intWhether to echo the generated markup. Accepts 0, 1, or their boolean equivalents. Default 1.show_available_translations
boolWhether to show available translations. Default true.show_option_site_default
boolWhether to show an option to fall back to the site’s locale. Default false.show_option_en_us
boolWhether to show an option for English (United States). Default true.explicit_option_en_us
boolWhether the English (United States) option uses an explicit value of en_US instead of an empty value. Default false.
Default:
array()
Source
// Bail if no ID or no name.
if ( ! $parsed_args['id'] || ! $parsed_args['name'] ) {
return;
}
// English (United States) uses an empty string for the value attribute.
if ( 'en_US' === $parsed_args['selected'] && ! $parsed_args['explicit_option_en_us'] ) {
$parsed_args['selected'] = '';
}
$translations = $parsed_args['translations'];
if ( empty( $translations ) ) {
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
$translations = wp_get_available_translations();
}
/*
* $parsed_args['languages'] should only contain the locales. Find the locale in
* $translations to get the native name. Fall back to locale.
*/
$languages = array();
foreach ( $parsed_args['languages'] as $locale ) {
if ( isset( $translations[ $locale ] ) ) {
$translation = $translations[ $locale ];
$languages[] = array(
'language' => $translation['language'],
'native_name' => $translation['native_name'],
'lang' => current( $translation['iso'] ),
);
// Remove installed language from available translations.
unset( $translations[ $locale ] );
} else {
$languages[] = array(
'language' => $locale,
'native_name' => $locale,
'lang' => '',
);
}
}
$translations_available = ( ! empty( $translations ) && $parsed_args['show_available_translations'] );
// Holds the HTML markup.
$structure = array();
// List installed languages.
if ( $translations_available ) {
$structure[] = '<optgroup label="' . esc_attr_x( 'Installed', 'translations' ) . '">';
}
// Site default.
if ( $parsed_args['show_option_site_default'] ) {
$structure[] = sprintf(
'<option value="site-default" data-installed="1"%s>%s</option>',
selected( 'site-default', $parsed_args['selected'], false ),
_x( 'Site Default', 'default site language' )
);
}
if ( $parsed_args['show_option_en_us'] ) {
$value = ( $parsed_args['explicit_option_en_us'] ) ? 'en_US' : '';
$structure[] = sprintf(
'<option value="%s" lang="en" data-installed="1"%s>English (United States)</option>',
esc_attr( $value ),
selected( '', $parsed_args['selected'], false )
);
}
// List installed languages.
foreach ( $languages as $language ) {
$structure[] = sprintf(
'<option value="%s" lang="%s"%s data-installed="1">%s</option>',
esc_attr( $language['language'] ),
esc_attr( $language['lang'] ),
selected( $language['language'], $parsed_args['selected'], false ),
esc_html( $language['native_name'] )
);
}
if ( $translations_available ) {
$structure[] = '</optgroup>';
}
// List available translations.
if ( $translations_available ) {
$structure[] = '<optgroup label="' . esc_attr_x( 'Available', 'translations' ) . '">';
foreach ( $translations as $translation ) {
$structure[] = sprintf(
'<option value="%s" lang="%s"%s>%s</option>',
esc_attr( $translation['language'] ),
esc_attr( current( $translation['iso'] ) ),
selected( $translation['language'], $parsed_args['selected'], false ),
esc_html( $translation['native_name'] )
);
}
$structure[] = '</optgroup>';
}
// Combine the output string.
$output = sprintf( '<select name="%s" id="%s">', esc_attr( $parsed_args['name'] ), esc_attr( $parsed_args['id'] ) );
$output .= implode( "\n", $structure );
$output .= '</select>';
if ( $parsed_args['echo'] ) {
echo $output;
}
return $output;
}
/**
* Determines whether the current locale is right-to-left (RTL).
*
* For more information on this and similar theme functions, check out
* the * Conditional Tags article in the Theme Developer Handbook.
*
* @since 3.0.0
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @return bool Whether locale is RTL.
*/
function is_rtl() {
global $wp_locale;
if ( ! ( $wp_locale instanceof WP_Locale ) ) {
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