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<?php | |
/** | |
* Core Translation API | |
* | |
* @package WordPress | |
* @subpackage i18n | |
* @since 1.2.0 | |
*/ | |
/** | |
* Retrieves the current locale. | |
* | |
* If the locale is set, then it will filter the locale in the {@see 'locale'} | |
* filter hook and return the value. | |
* | |
* If the locale is not set already, then the WPLANG constant is used if it is | |
* defined. Then it is filtered through the {@see 'locale'} filter hook and | |
* the value for the locale global set and the locale is returned. | |
* | |
* The process to get the locale should only be done once, but the locale will | |
* always be filtered using the {@see 'locale'} hook. | |
* | |
* @since 1.5.0 | |
* | |
* @global string $locale The current locale. | |
* @global string $wp_local_package Locale code of the package. | |
* | |
* @return string The locale of the blog or from the {@see 'locale'} hook. | |
*/ | |
function get_locale() { | |
global $locale, $wp_local_package; | |
if ( isset( $locale ) ) { | |
/** This filter is documented in wp-includes/l10n.php */ | |
return apply_filters( 'locale', $locale ); | |
} | |
if ( isset( $wp_local_package ) ) { | |
$locale = $wp_local_package; | |
} | |
// WPLANG was defined in wp-config. | |
if ( defined( 'WPLANG' ) ) { | |
$locale = WPLANG; | |
} | |
// If multisite, check options. | |
if ( is_multisite() ) { | |
// Don't check blog option when installing. | |
if ( wp_installing() ) { | |
$ms_locale = get_site_option( 'WPLANG' ); | |
} else { | |
$ms_locale = get_option( 'WPLANG' ); | |
if ( false === $ms_locale ) { | |
$ms_locale = get_site_option( 'WPLANG' ); | |
} | |
} | |
if ( false !== $ms_locale ) { | |
$locale = $ms_locale; | |
} | |
} else { | |
$db_locale = get_option( 'WPLANG' ); | |
if ( false !== $db_locale ) { | |
$locale = $db_locale; | |
} | |
} | |
if ( empty( $locale ) ) { | |
$locale = 'en_US'; | |
} | |
/** | |
* Filters the locale ID of the WordPress installation. | |
* | |
* @since 1.5.0 | |
* | |
* @param string $locale The locale ID. | |
*/ | |
return apply_filters( 'locale', $locale ); | |
} | |
/** | |
* Retrieves the locale of a user. | |
* | |
* If the user has a locale set to a non-empty string then it will be | |
* returned. Otherwise it returns the locale of get_locale(). | |
* | |
* @since 4.7.0 | |
* | |
* @param int|WP_User $user_id User's ID or a WP_User object. Defaults to current user. | |
* @return string The locale of the user. | |
*/ | |
function get_user_locale( $user_id = 0 ) { | |
$user = false; | |
if ( 0 === $user_id && function_exists( 'wp_get_current_user' ) ) { | |
$user = wp_get_current_user(); | |
} elseif ( $user_id instanceof WP_User ) { | |
$user = $user_id; | |
} elseif ( $user_id && is_numeric( $user_id ) ) { | |
$user = get_user_by( 'id', $user_id ); | |
} | |
if ( ! $user ) { | |
return get_locale(); | |
} | |
$locale = $user->locale; | |
return $locale ? $locale : get_locale(); | |
} | |
/** | |
* Determine the current locale desired for the request. | |
* | |
* @since 5.0.0 | |
* | |
* @global string $pagenow | |
* | |
* @return string The determined locale. | |
*/ | |
function determine_locale() { | |
/** | |
* Filters the locale for the current request prior to the default determination process. | |
* | |
* Using this filter allows to override the default logic, effectively short-circuiting the function. | |
* | |
* @since 5.0.0 | |
* | |
* @param string|null $locale The locale to return and short-circuit. Default null. | |
*/ | |
$determined_locale = apply_filters( 'pre_determine_locale', null ); | |
if ( ! empty( $determined_locale ) && is_string( $determined_locale ) ) { | |
return $determined_locale; | |
} | |
$determined_locale = get_locale(); | |
if ( is_admin() ) { | |
$determined_locale = get_user_locale(); | |
} | |
if ( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() ) { | |
$determined_locale = get_user_locale(); | |
} | |
if ( ! empty( $_GET['wp_lang'] ) && ! empty( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) { | |
$determined_locale = sanitize_text_field( $_GET['wp_lang'] ); | |
} | |
/** | |
* Filters the locale for the current request. | |
* | |
* @since 5.0.0 | |
* | |
* @param string $locale The locale. | |
*/ | |
return apply_filters( 'determine_locale', $determined_locale ); | |
} | |
/** | |
* Retrieve the translation of $text. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text is returned. | |
* | |
* *Note:* Don't use translate() directly, use __() or related functions. | |
* | |
* @since 2.2.0 | |
* @since 5.5.0 Introduced gettext-{$domain} filter. | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text. | |
*/ | |
function translate( $text, $domain = 'default' ) { | |
$translations = get_translations_for_domain( $domain ); | |
$translation = $translations->translate( $text ); | |
/** | |
* Filters text with its translation. | |
* | |
* @since 2.0.11 | |
* | |
* @param string $translation Translated text. | |
* @param string $text Text to translate. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( 'gettext', $translation, $text, $domain ); | |
/** | |
* Filters text with its translation for a domain. | |
* | |
* The dynamic portion of the hook, `$domain`, refers to the text domain. | |
* | |
* @since 5.5.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $text Text to translate. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( "gettext_{$domain}", $translation, $text, $domain ); | |
return $translation; | |
} | |
/** | |
* Remove last item on a pipe-delimited string. | |
* | |
* Meant for removing the last item in a string, such as 'Role name|User role'. The original | |
* string will be returned if no pipe '|' characters are found in the string. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $string A pipe-delimited string. | |
* @return string Either $string or everything before the last pipe. | |
*/ | |
function before_last_bar( $string ) { | |
$last_bar = strrpos( $string, '|' ); | |
if ( false === $last_bar ) { | |
return $string; | |
} else { | |
return substr( $string, 0, $last_bar ); | |
} | |
} | |
/** | |
* Retrieve the translation of $text in the context defined in $context. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text is returned. | |
* | |
* *Note:* Don't use translate_with_gettext_context() directly, use _x() or related functions. | |
* | |
* @since 2.8.0 | |
* @since 5.5.0 Introduced gettext_with_context-{$domain} filter. | |
* | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text on success, original text on failure. | |
*/ | |
function translate_with_gettext_context( $text, $context, $domain = 'default' ) { | |
$translations = get_translations_for_domain( $domain ); | |
$translation = $translations->translate( $text, $context ); | |
/** | |
* Filters text with its translation based on context information. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( 'gettext_with_context', $translation, $text, $context, $domain ); | |
/** | |
* Filters text with its translation based on context information for a domain. | |
* | |
* The dynamic portion of the hook, `$domain`, refers to the text domain. | |
* | |
* @since 5.5.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( "gettext_with_context_{$domain}", $translation, $text, $context, $domain ); | |
return $translation; | |
} | |
/** | |
* Retrieve the translation of $text. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text is returned. | |
* | |
* @since 2.1.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text. | |
*/ | |
function __( $text, $domain = 'default' ) { | |
return translate( $text, $domain ); | |
} | |
/** | |
* Retrieve the translation of $text and escapes it for safe use in an attribute. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text is returned. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text on success, original text on failure. | |
*/ | |
function esc_attr__( $text, $domain = 'default' ) { | |
return esc_attr( translate( $text, $domain ) ); | |
} | |
/** | |
* Retrieve the translation of $text and escapes it for safe use in HTML output. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text | |
* is escaped and returned. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text. | |
*/ | |
function esc_html__( $text, $domain = 'default' ) { | |
return esc_html( translate( $text, $domain ) ); | |
} | |
/** | |
* Display translated text. | |
* | |
* @since 1.2.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
*/ | |
function _e( $text, $domain = 'default' ) { | |
echo translate( $text, $domain ); | |
} | |
/** | |
* Display translated text that has been escaped for safe use in an attribute. | |
* | |
* Encodes `< > & " '` (less than, greater than, ampersand, double quote, single quote). | |
* Will never double encode entities. | |
* | |
* If you need the value for use in PHP, use esc_attr__(). | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
*/ | |
function esc_attr_e( $text, $domain = 'default' ) { | |
echo esc_attr( translate( $text, $domain ) ); | |
} | |
/** | |
* Display translated text that has been escaped for safe use in HTML output. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text | |
* is escaped and displayed. | |
* | |
* If you need the value for use in PHP, use esc_html__(). | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
*/ | |
function esc_html_e( $text, $domain = 'default' ) { | |
echo esc_html( translate( $text, $domain ) ); | |
} | |
/** | |
* Retrieve translated string with gettext context. | |
* | |
* Quite a few times, there will be collisions with similar translatable text | |
* found in more than two places, but with different translated context. | |
* | |
* By including the context in the pot file, translators can translate the two | |
* strings differently. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated context string without pipe. | |
*/ | |
function _x( $text, $context, $domain = 'default' ) { | |
return translate_with_gettext_context( $text, $context, $domain ); | |
} | |
/** | |
* Display translated string with gettext context. | |
* | |
* @since 3.0.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated context string without pipe. | |
*/ | |
function _ex( $text, $context, $domain = 'default' ) { | |
echo _x( $text, $context, $domain ); | |
} | |
/** | |
* Translate string with gettext context, and escapes it for safe use in an attribute. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text | |
* is escaped and returned. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text. | |
*/ | |
function esc_attr_x( $text, $context, $domain = 'default' ) { | |
return esc_attr( translate_with_gettext_context( $text, $context, $domain ) ); | |
} | |
/** | |
* Translate string with gettext context, and escapes it for safe use in HTML output. | |
* | |
* If there is no translation, or the text domain isn't loaded, the original text | |
* is escaped and returned. | |
* | |
* @since 2.9.0 | |
* | |
* @param string $text Text to translate. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated text. | |
*/ | |
function esc_html_x( $text, $context, $domain = 'default' ) { | |
return esc_html( translate_with_gettext_context( $text, $context, $domain ) ); | |
} | |
/** | |
* Translates and retrieves the singular or plural form based on the supplied number. | |
* | |
* Used when you want to use the appropriate form of a string based on whether a | |
* number is singular or plural. | |
* | |
* Example: | |
* | |
* printf( _n( '%s person', '%s people', $count, 'text-domain' ), number_format_i18n( $count ) ); | |
* | |
* @since 2.8.0 | |
* @since 5.5.0 Introduced ngettext-{$domain} filter. | |
* | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param int $number The number to compare against to use either the singular or plural form. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string The translated singular or plural form. | |
*/ | |
function _n( $single, $plural, $number, $domain = 'default' ) { | |
$translations = get_translations_for_domain( $domain ); | |
$translation = $translations->translate_plural( $single, $plural, $number ); | |
/** | |
* Filters the singular or plural form of a string. | |
* | |
* @since 2.2.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param string $number The number to compare against to use either the singular or plural form. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( 'ngettext', $translation, $single, $plural, $number, $domain ); | |
/** | |
* Filters the singular or plural form of a string for a domain. | |
* | |
* The dynamic portion of the hook, `$domain`, refers to the text domain. | |
* | |
* @since 5.5.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param string $number The number to compare against to use either the singular or plural form. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( "ngettext_{$domain}", $translation, $single, $plural, $number, $domain ); | |
return $translation; | |
} | |
/** | |
* Translates and retrieves the singular or plural form based on the supplied number, with gettext context. | |
* | |
* This is a hybrid of _n() and _x(). It supports context and plurals. | |
* | |
* Used when you want to use the appropriate form of a string with context based on whether a | |
* number is singular or plural. | |
* | |
* Example of a generic phrase which is disambiguated via the context parameter: | |
* | |
* printf( _nx( '%s group', '%s groups', $people, 'group of people', 'text-domain' ), number_format_i18n( $people ) ); | |
* printf( _nx( '%s group', '%s groups', $animals, 'group of animals', 'text-domain' ), number_format_i18n( $animals ) ); | |
* | |
* @since 2.8.0 | |
* @since 5.5.0 Introduced ngettext_with_context-{$domain} filter. | |
* | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param int $number The number to compare against to use either the singular or plural form. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string The translated singular or plural form. | |
*/ | |
function _nx( $single, $plural, $number, $context, $domain = 'default' ) { | |
$translations = get_translations_for_domain( $domain ); | |
$translation = $translations->translate_plural( $single, $plural, $number, $context ); | |
/** | |
* Filters the singular or plural form of a string with gettext context. | |
* | |
* @since 2.8.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param string $number The number to compare against to use either the singular or plural form. | |
* @param string $context Context information for the translators. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain ); | |
/** | |
* Filters the singular or plural form of a string with gettext context for a domain. | |
* | |
* The dynamic portion of the hook, `$domain`, refers to the text domain. | |
* | |
* @since 5.5.0 | |
* | |
* @param string $translation Translated text. | |
* @param string $single The text to be used if the number is singular. | |
* @param string $plural The text to be used if the number is plural. | |
* @param string $number The number to compare against to use either the singular or plural form. | |
* @param string $context Context information for the translators. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$translation = apply_filters( "ngettext_with_context_{$domain}", $translation, $single, $plural, $number, $context, $domain ); | |
return $translation; | |
} | |
/** | |
* Registers plural strings in POT file, but does not translate them. | |
* | |
* Used when you want to keep structures with translatable plural | |
* strings and use them later when the number is known. | |
* | |
* Example: | |
* | |
* $message = _n_noop( '%s post', '%s posts', 'text-domain' ); | |
* ... | |
* printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) ); | |
* | |
* @since 2.5.0 | |
* | |
* @param string $singular Singular form to be localized. | |
* @param string $plural Plural form to be localized. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default null. | |
* @return array { | |
* Array of translation information for the strings. | |
* | |
* @type string $0 Singular form to be localized. No longer used. | |
* @type string $1 Plural form to be localized. No longer used. | |
* @type string $singular Singular form to be localized. | |
* @type string $plural Plural form to be localized. | |
* @type null $context Context information for the translators. | |
* @type string $domain Text domain. | |
* } | |
*/ | |
function _n_noop( $singular, $plural, $domain = null ) { | |
return array( | |
0 => $singular, | |
1 => $plural, | |
'singular' => $singular, | |
'plural' => $plural, | |
'context' => null, | |
'domain' => $domain, | |
); | |
} | |
/** | |
* Registers plural strings with gettext context in POT file, but does not translate them. | |
* | |
* Used when you want to keep structures with translatable plural | |
* strings and use them later when the number is known. | |
* | |
* Example of a generic phrase which is disambiguated via the context parameter: | |
* | |
* $messages = array( | |
* 'people' => _nx_noop( '%s group', '%s groups', 'people', 'text-domain' ), | |
* 'animals' => _nx_noop( '%s group', '%s groups', 'animals', 'text-domain' ), | |
* ); | |
* ... | |
* $message = $messages[ $type ]; | |
* printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) ); | |
* | |
* @since 2.8.0 | |
* | |
* @param string $singular Singular form to be localized. | |
* @param string $plural Plural form to be localized. | |
* @param string $context Context information for the translators. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default null. | |
* @return array { | |
* Array of translation information for the strings. | |
* | |
* @type string $0 Singular form to be localized. No longer used. | |
* @type string $1 Plural form to be localized. No longer used. | |
* @type string $2 Context information for the translators. No longer used. | |
* @type string $singular Singular form to be localized. | |
* @type string $plural Plural form to be localized. | |
* @type string $context Context information for the translators. | |
* @type string $domain Text domain. | |
* } | |
*/ | |
function _nx_noop( $singular, $plural, $context, $domain = null ) { | |
return array( | |
0 => $singular, | |
1 => $plural, | |
2 => $context, | |
'singular' => $singular, | |
'plural' => $plural, | |
'context' => $context, | |
'domain' => $domain, | |
); | |
} | |
/** | |
* Translates and retrieves the singular or plural form of a string that's been registered | |
* with _n_noop() or _nx_noop(). | |
* | |
* Used when you want to use a translatable plural string once the number is known. | |
* | |
* Example: | |
* | |
* $message = _n_noop( '%s post', '%s posts', 'text-domain' ); | |
* ... | |
* printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) ); | |
* | |
* @since 3.1.0 | |
* | |
* @param array $nooped_plural Array with singular, plural, and context keys, usually the result of _n_noop() or _nx_noop(). | |
* @param int $count Number of objects. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. If $nooped_plural contains | |
* a text domain passed to _n_noop() or _nx_noop(), it will override this value. Default 'default'. | |
* @return string Either $single or $plural translated text. | |
*/ | |
function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' ) { | |
if ( $nooped_plural['domain'] ) { | |
$domain = $nooped_plural['domain']; | |
} | |
if ( $nooped_plural['context'] ) { | |
return _nx( $nooped_plural['singular'], $nooped_plural['plural'], $count, $nooped_plural['context'], $domain ); | |
} else { | |
return _n( $nooped_plural['singular'], $nooped_plural['plural'], $count, $domain ); | |
} | |
} | |
/** | |
* Load a .mo file into the text domain $domain. | |
* | |
* If the text domain already exists, the translations will be merged. If both | |
* sets have the same string, the translation from the original value will be taken. | |
* | |
* On success, the .mo file will be placed in the $l10n global by $domain | |
* and will be a MO object. | |
* | |
* @since 1.5.0 | |
* | |
* @global MO[] $l10n An array of all currently loaded text domains. | |
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again. | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string $mofile Path to the .mo file. | |
* @return bool True on success, false on failure. | |
*/ | |
function load_textdomain( $domain, $mofile ) { | |
global $l10n, $l10n_unloaded; | |
$l10n_unloaded = (array) $l10n_unloaded; | |
/** | |
* Filters whether to override the .mo file loading. | |
* | |
* @since 2.9.0 | |
* | |
* @param bool $override Whether to override the .mo file loading. Default false. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string $mofile Path to the MO file. | |
*/ | |
$plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile ); | |
if ( true === (bool) $plugin_override ) { | |
unset( $l10n_unloaded[ $domain ] ); | |
return true; | |
} | |
/** | |
* Fires before the MO translation file is loaded. | |
* | |
* @since 2.9.0 | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string $mofile Path to the .mo file. | |
*/ | |
do_action( 'load_textdomain', $domain, $mofile ); | |
/** | |
* Filters MO file path for loading translations for a specific text domain. | |
* | |
* @since 2.9.0 | |
* | |
* @param string $mofile Path to the MO file. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$mofile = apply_filters( 'load_textdomain_mofile', $mofile, $domain ); | |
if ( ! is_readable( $mofile ) ) { | |
return false; | |
} | |
$mo = new MO(); | |
if ( ! $mo->import_from_file( $mofile ) ) { | |
return false; | |
} | |
if ( isset( $l10n[ $domain ] ) ) { | |
$mo->merge_with( $l10n[ $domain ] ); | |
} | |
unset( $l10n_unloaded[ $domain ] ); | |
$l10n[ $domain ] = &$mo; | |
return true; | |
} | |
/** | |
* Unload translations for a text domain. | |
* | |
* @since 3.0.0 | |
* | |
* @global MO[] $l10n An array of all currently loaded text domains. | |
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again. | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @return bool Whether textdomain was unloaded. | |
*/ | |
function unload_textdomain( $domain ) { | |
global $l10n, $l10n_unloaded; | |
$l10n_unloaded = (array) $l10n_unloaded; | |
/** | |
* Filters whether to override the text domain unloading. | |
* | |
* @since 3.0.0 | |
* | |
* @param bool $override Whether to override the text domain unloading. Default false. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain ); | |
if ( $plugin_override ) { | |
$l10n_unloaded[ $domain ] = true; | |
return true; | |
} | |
/** | |
* Fires before the text domain is unloaded. | |
* | |
* @since 3.0.0 | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
do_action( 'unload_textdomain', $domain ); | |
if ( isset( $l10n[ $domain ] ) ) { | |
unset( $l10n[ $domain ] ); | |
$l10n_unloaded[ $domain ] = true; | |
return true; | |
} | |
return false; | |
} | |
/** | |
* Load default translated strings based on locale. | |
* | |
* Loads the .mo file in WP_LANG_DIR constant path from WordPress root. | |
* The translated (.mo) file is named based on the locale. | |
* | |
* @see load_textdomain() | |
* | |
* @since 1.5.0 | |
* | |
* @param string $locale Optional. Locale to load. Default is the value of get_locale(). | |
* @return bool Whether the textdomain was loaded. | |
*/ | |
function load_default_textdomain( $locale = null ) { | |
if ( null === $locale ) { | |
$locale = determine_locale(); | |
} | |
// Unload previously loaded strings so we can switch translations. | |
unload_textdomain( 'default' ); | |
$return = load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" ); | |
if ( ( is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) && ! file_exists( WP_LANG_DIR . "/admin-$locale.mo" ) ) { | |
load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo" ); | |
return $return; | |
} | |
if ( is_admin() || wp_installing() || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) ) { | |
load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" ); | |
} | |
if ( is_network_admin() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) { | |
load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo" ); | |
} | |
return $return; | |
} | |
/** | |
* Loads a plugin's translated strings. | |
* | |
* If the path is not given then it will be the root of the plugin directory. | |
* | |
* The .mo file should be named based on the text domain with a dash, and then the locale exactly. | |
* | |
* @since 1.5.0 | |
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first. | |
* | |
* @param string $domain Unique identifier for retrieving translated strings | |
* @param string|false $deprecated Optional. Deprecated. Use the $plugin_rel_path parameter instead. | |
* Default false. | |
* @param string|false $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR where the .mo file resides. | |
* Default false. | |
* @return bool True when textdomain is successfully loaded, false otherwise. | |
*/ | |
function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) { | |
/** | |
* Filters a plugin's locale. | |
* | |
* @since 3.0.0 | |
* | |
* @param string $locale The plugin's current locale. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$locale = apply_filters( 'plugin_locale', determine_locale(), $domain ); | |
$mofile = $domain . '-' . $locale . '.mo'; | |
// Try to load from the languages directory first. | |
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) { | |
return true; | |
} | |
if ( false !== $plugin_rel_path ) { | |
$path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' ); | |
} elseif ( false !== $deprecated ) { | |
_deprecated_argument( __FUNCTION__, '2.7.0' ); | |
$path = ABSPATH . trim( $deprecated, '/' ); | |
} else { | |
$path = WP_PLUGIN_DIR; | |
} | |
return load_textdomain( $domain, $path . '/' . $mofile ); | |
} | |
/** | |
* Load the translated strings for a plugin residing in the mu-plugins directory. | |
* | |
* @since 3.0.0 | |
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first. | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string $mu_plugin_rel_path Optional. Relative to `WPMU_PLUGIN_DIR` directory in which the .mo | |
* file resides. Default empty string. | |
* @return bool True when textdomain is successfully loaded, false otherwise. | |
*/ | |
function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) { | |
/** This filter is documented in wp-includes/l10n.php */ | |
$locale = apply_filters( 'plugin_locale', determine_locale(), $domain ); | |
$mofile = $domain . '-' . $locale . '.mo'; | |
// Try to load from the languages directory first. | |
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) { | |
return true; | |
} | |
$path = WPMU_PLUGIN_DIR . '/' . ltrim( $mu_plugin_rel_path, '/' ); | |
return load_textdomain( $domain, $path . '/' . $mofile ); | |
} | |
/** | |
* Load the theme's translated strings. | |
* | |
* If the current locale exists as a .mo file in the theme's root directory, it | |
* will be included in the translated strings by the $domain. | |
* | |
* The .mo files must be named based on the locale exactly. | |
* | |
* @since 1.5.0 | |
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first. | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string|false $path Optional. Path to the directory containing the .mo file. | |
* Default false. | |
* @return bool True when textdomain is successfully loaded, false otherwise. | |
*/ | |
function load_theme_textdomain( $domain, $path = false ) { | |
/** | |
* Filters a theme's locale. | |
* | |
* @since 3.0.0 | |
* | |
* @param string $locale The theme's current locale. | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
*/ | |
$locale = apply_filters( 'theme_locale', determine_locale(), $domain ); | |
$mofile = $domain . '-' . $locale . '.mo'; | |
// Try to load from the languages directory first. | |
if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile ) ) { | |
return true; | |
} | |
if ( ! $path ) { | |
$path = get_template_directory(); | |
} | |
return load_textdomain( $domain, $path . '/' . $locale . '.mo' ); | |
} | |
/** | |
* Load the child themes translated strings. | |
* | |
* If the current locale exists as a .mo file in the child themes | |
* root directory, it will be included in the translated strings by the $domain. | |
* | |
* The .mo files must be named based on the locale exactly. | |
* | |
* @since 2.9.0 | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param string|false $path Optional. Path to the directory containing the .mo file. | |
* Default false. | |
* @return bool True when the theme textdomain is successfully loaded, false otherwise. | |
*/ | |
function load_child_theme_textdomain( $domain, $path = false ) { | |
if ( ! $path ) { | |
$path = get_stylesheet_directory(); | |
} | |
return load_theme_textdomain( $domain, $path ); | |
} | |
/** | |
* Loads the script translated strings. | |
* | |
* @since 5.0.0 | |
* @since 5.0.2 Uses load_script_translations() to load translation data. | |
* @since 5.1.0 The `$domain` parameter was made optional. | |
* | |
* @see WP_Scripts::set_translations() | |
* | |
* @param string $handle Name of the script to register a translation domain to. | |
* @param string $domain Optional. Text domain. Default 'default'. | |
* @param string $path Optional. The full file path to the directory containing translation files. | |
* @return string|false The translated strings in JSON encoding on success, | |
* false if the script textdomain could not be loaded. | |
*/ | |
function load_script_textdomain( $handle, $domain = 'default', $path = null ) { | |
$wp_scripts = wp_scripts(); | |
if ( ! isset( $wp_scripts->registered[ $handle ] ) ) { | |
return false; | |
} | |
$path = untrailingslashit( $path ); | |
$locale = determine_locale(); | |
// If a path was given and the handle file exists simply return it. | |
$file_base = 'default' === $domain ? $locale : $domain . '-' . $locale; | |
$handle_filename = $file_base . '-' . $handle . '.json'; | |
if ( $path ) { | |
$translations = load_script_translations( $path . '/' . $handle_filename, $handle, $domain ); | |
if ( $translations ) { | |
return $translations; | |
} | |
} | |
$src = $wp_scripts->registered[ $handle ]->src; | |
if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $wp_scripts->content_url && 0 === strpos( $src, $wp_scripts->content_url ) ) ) { | |
$src = $wp_scripts->base_url . $src; | |
} | |
$relative = false; | |
$languages_path = WP_LANG_DIR; | |
$src_url = wp_parse_url( $src ); | |
$content_url = wp_parse_url( content_url() ); | |
$plugins_url = wp_parse_url( plugins_url() ); | |
$site_url = wp_parse_url( site_url() ); | |
// If the host is the same or it's a relative URL. | |
if ( | |
( ! isset( $content_url['path'] ) || strpos( $src_url['path'], $content_url['path'] ) === 0 ) && | |
( ! isset( $src_url['host'] ) || ! isset( $content_url['host'] ) || $src_url['host'] === $content_url['host'] ) | |
) { | |
// Make the src relative the specific plugin or theme. | |
if ( isset( $content_url['path'] ) ) { | |
$relative = substr( $src_url['path'], strlen( $content_url['path'] ) ); | |
} else { | |
$relative = $src_url['path']; | |
} | |
$relative = trim( $relative, '/' ); | |
$relative = explode( '/', $relative ); | |
$languages_path = WP_LANG_DIR . '/' . $relative[0]; | |
$relative = array_slice( $relative, 2 ); // Remove plugins/<plugin name> or themes/<theme name>. | |
$relative = implode( '/', $relative ); | |
} elseif ( | |
( ! isset( $plugins_url['path'] ) || strpos( $src_url['path'], $plugins_url['path'] ) === 0 ) && | |
( ! isset( $src_url['host'] ) || ! isset( $plugins_url['host'] ) || $src_url['host'] === $plugins_url['host'] ) | |
) { | |
// Make the src relative the specific plugin. | |
if ( isset( $plugins_url['path'] ) ) { | |
$relative = substr( $src_url['path'], strlen( $plugins_url['path'] ) ); | |
} else { | |
$relative = $src_url['path']; | |
} | |
$relative = trim( $relative, '/' ); | |
$relative = explode( '/', $relative ); | |
$languages_path = WP_LANG_DIR . '/plugins'; | |
$relative = array_slice( $relative, 1 ); // Remove <plugin name>. | |
$relative = implode( '/', $relative ); | |
} elseif ( ! isset( $src_url['host'] ) || ! isset( $site_url['host'] ) || $src_url['host'] === $site_url['host'] ) { | |
if ( ! isset( $site_url['path'] ) ) { | |
$relative = trim( $src_url['path'], '/' ); | |
} elseif ( ( strpos( $src_url['path'], trailingslashit( $site_url['path'] ) ) === 0 ) ) { | |
// Make the src relative to the WP root. | |
$relative = substr( $src_url['path'], strlen( $site_url['path'] ) ); | |
$relative = trim( $relative, '/' ); | |
} | |
} | |
/** | |
* Filters the relative path of scripts used for finding translation files. | |
* | |
* @since 5.0.2 | |
* | |
* @param string|false $relative The relative path of the script. False if it could not be determined. | |
* @param string $src The full source URL of the script. | |
*/ | |
$relative = apply_filters( 'load_script_textdomain_relative_path', $relative, $src ); | |
// If the source is not from WP. | |
if ( false === $relative ) { | |
return load_script_translations( false, $handle, $domain ); | |
} | |
// Translations are always based on the unminified filename. | |
if ( substr( $relative, -7 ) === '.min.js' ) { | |
$relative = substr( $relative, 0, -7 ) . '.js'; | |
} | |
$md5_filename = $file_base . '-' . md5( $relative ) . '.json'; | |
if ( $path ) { | |
$translations = load_script_translations( $path . '/' . $md5_filename, $handle, $domain ); | |
if ( $translations ) { | |
return $translations; | |
} | |
} | |
$translations = load_script_translations( $languages_path . '/' . $md5_filename, $handle, $domain ); | |
if ( $translations ) { | |
return $translations; | |
} | |
return load_script_translations( false, $handle, $domain ); | |
} | |
/** | |
* Loads the translation data for the given script handle and text domain. | |
* | |
* @since 5.0.2 | |
* | |
* @param string|false $file Path to the translation file to load. False if there isn't one. | |
* @param string $handle Name of the script to register a translation domain to. | |
* @param string $domain The text domain. | |
* @return string|false The JSON-encoded translated strings for the given script handle and text domain. | |
* False if there are none. | |
*/ | |
function load_script_translations( $file, $handle, $domain ) { | |
/** | |
* Pre-filters script translations for the given file, script handle and text domain. | |
* | |
* Returning a non-null value allows to override the default logic, effectively short-circuiting the function. | |
* | |
* @since 5.0.2 | |
* | |
* @param string|false|null $translations JSON-encoded translation data. Default null. | |
* @param string|false $file Path to the translation file to load. False if there isn't one. | |
* @param string $handle Name of the script to register a translation domain to. | |
* @param string $domain The text domain. | |
*/ | |
$translations = apply_filters( 'pre_load_script_translations', null, $file, $handle, $domain ); | |
if ( null !== $translations ) { | |
return $translations; | |
} | |
/** | |
* Filters the file path for loading script translations for the given script handle and text domain. | |
* | |
* @since 5.0.2 | |
* | |
* @param string|false $file Path to the translation file to load. False if there isn't one. | |
* @param string $handle Name of the script to register a translation domain to. | |
* @param string $domain The text domain. | |
*/ | |
$file = apply_filters( 'load_script_translation_file', $file, $handle, $domain ); | |
if ( ! $file || ! is_readable( $file ) ) { | |
return false; | |
} | |
$translations = file_get_contents( $file ); | |
/** | |
* Filters script translations for the given file, script handle and text domain. | |
* | |
* @since 5.0.2 | |
* | |
* @param string $translations JSON-encoded translation data. | |
* @param string $file Path to the translation file that was loaded. | |
* @param string $handle Name of the script to register a translation domain to. | |
* @param string $domain The text domain. | |
*/ | |
return apply_filters( 'load_script_translations', $translations, $file, $handle, $domain ); | |
} | |
/** | |
* Loads plugin and theme textdomains just-in-time. | |
* | |
* When a textdomain is encountered for the first time, we try to load | |
* the translation file from `wp-content/languages`, removing the need | |
* to call load_plugin_texdomain() or load_theme_texdomain(). | |
* | |
* @since 4.6.0 | |
* @access private | |
* | |
* @see get_translations_for_domain() | |
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again. | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @return bool True when the textdomain is successfully loaded, false otherwise. | |
*/ | |
function _load_textdomain_just_in_time( $domain ) { | |
global $l10n_unloaded; | |
$l10n_unloaded = (array) $l10n_unloaded; | |
// Short-circuit if domain is 'default' which is reserved for core. | |
if ( 'default' === $domain || isset( $l10n_unloaded[ $domain ] ) ) { | |
return false; | |
} | |
$translation_path = _get_path_to_translation( $domain ); | |
if ( false === $translation_path ) { | |
return false; | |
} | |
return load_textdomain( $domain, $translation_path ); | |
} | |
/** | |
* Gets the path to a translation file for loading a textdomain just in time. | |
* | |
* Caches the retrieved results internally. | |
* | |
* @since 4.7.0 | |
* @access private | |
* | |
* @see _load_textdomain_just_in_time() | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @param bool $reset Whether to reset the internal cache. Used by the switch to locale functionality. | |
* @return string|false The path to the translation file or false if no translation file was found. | |
*/ | |
function _get_path_to_translation( $domain, $reset = false ) { | |
static $available_translations = array(); | |
if ( true === $reset ) { | |
$available_translations = array(); | |
} | |
if ( ! isset( $available_translations[ $domain ] ) ) { | |
$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain ); | |
} | |
return $available_translations[ $domain ]; | |
} | |
/** | |
* Gets the path to a translation file in the languages directory for the current locale. | |
* | |
* Holds a cached list of available .mo files to improve performance. | |
* | |
* @since 4.7.0 | |
* @access private | |
* | |
* @see _get_path_to_translation() | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @return string|false The path to the translation file or false if no translation file was found. | |
*/ | |
function _get_path_to_translation_from_lang_dir( $domain ) { | |
static $cached_mofiles = null; | |
if ( null === $cached_mofiles ) { | |
$cached_mofiles = array(); | |
$locations = array( | |
WP_LANG_DIR . '/plugins', | |
WP_LANG_DIR . '/themes', | |
); | |
foreach ( $locations as $location ) { | |
$mofiles = glob( $location . '/*.mo' ); | |
if ( $mofiles ) { | |
$cached_mofiles = array_merge( $cached_mofiles, $mofiles ); | |
} | |
} | |
} | |
$locale = determine_locale(); | |
$mofile = "{$domain}-{$locale}.mo"; | |
$path = WP_LANG_DIR . '/plugins/' . $mofile; | |
if ( in_array( $path, $cached_mofiles, true ) ) { | |
return $path; | |
} | |
$path = WP_LANG_DIR . '/themes/' . $mofile; | |
if ( in_array( $path, $cached_mofiles, true ) ) { | |
return $path; | |
} | |
return false; | |
} | |
/** | |
* Return the Translations instance for a text domain. | |
* | |
* If there isn't one, returns empty Translations instance. | |
* | |
* @since 2.8.0 | |
* | |
* @global MO[] $l10n | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @return Translations|NOOP_Translations A Translations instance. | |
*/ | |
function get_translations_for_domain( $domain ) { | |
global $l10n; | |
if ( isset( $l10n[ $domain ] ) || ( _load_textdomain_just_in_time( $domain ) && isset( $l10n[ $domain ] ) ) ) { | |
return $l10n[ $domain ]; | |
} | |
static $noop_translations = null; | |
if ( null === $noop_translations ) { | |
$noop_translations = new NOOP_Translations; | |
} | |
return $noop_translations; | |
} | |
/** | |
* Whether there are translations for the text domain. | |
* | |
* @since 3.0.0 | |
* | |
* @global MO[] $l10n | |
* | |
* @param string $domain Text domain. Unique identifier for retrieving translated strings. | |
* @return bool Whether there are translations. | |
*/ | |
function is_textdomain_loaded( $domain ) { | |
global $l10n; | |
return isset( $l10n[ $domain ] ); | |
} | |
/** | |
* Translates role name. | |
* | |
* Since the role names are in the database and not in the source there | |
* are dummy gettext calls to get them into the POT file and this function | |
* properly translates them back. | |
* | |
* The before_last_bar() call is needed, because older installations keep the roles | |
* using the old context format: 'Role name|User role' and just skipping the | |
* content after the last bar is easier than fixing them in the DB. New installations | |
* won't suffer from that problem. | |
* | |
* @since 2.8.0 | |
* @since 5.2.0 Added the `$domain` parameter. | |
* | |
* @param string $name The role name. | |
* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. | |
* Default 'default'. | |
* @return string Translated role name on success, original name on failure. | |
*/ | |
function translate_user_role( $name, $domain = 'default' ) { | |
return translate_with_gettext_context( before_last_bar( $name ), 'User role', $domain ); | |
} | |
/** | |
* Get all available languages based on the presence of *.mo files in a given directory. | |
* | |
* The default directory is WP_LANG_DIR. | |
* | |
* @since 3.0.0 | |
* @since 4.7.0 The results are now filterable with the {@see 'get_available_languages'} filter. | |
* | |
* @param string $dir A directory to search for language files. | |
* Default WP_LANG_DIR. | |
* @return string[] An array of language codes or an empty array if no languages are present. Language codes are formed by stripping the .mo extension from the language file names. | |
*/ | |
function get_available_languages( $dir = null ) { | |
$languages = array(); | |
$lang_files = glob( ( is_null( $dir ) ? WP_LANG_DIR : $dir ) . '/*.mo' ); | |
if ( $lang_files ) { | |
foreach ( $lang_files as $lang_file ) { | |
$lang_file = basename( $lang_file, '.mo' ); | |
if ( 0 !== strpos( $lang_file, 'continents-cities' ) && 0 !== strpos( $lang_file, 'ms-' ) && | |
0 !== strpos( $lang_file, 'admin-' ) ) { | |
$languages[] = $lang_file; | |
} | |
} | |
} | |
/** | |
* Filters the list of available language codes. | |
* | |
* @since 4.7.0 | |
* | |
* @param string[] $languages An array of available language codes. | |
* @param string $dir The directory where the language files were found. | |
*/ | |
return apply_filters( 'get_available_languages', $languages, $dir ); | |
} | |
/** | |
* Get installed translations. | |
* | |
* Looks in the wp-content/languages directory for translations of | |
* plugins or themes. | |
* | |
* @since 3.7.0 | |
* | |
* @param string $type What to search for. Accepts 'plugins', 'themes', 'core'. | |
* @return array Array of language data. | |
*/ | |
function wp_get_installed_translations( $type ) { | |
if ( 'themes' !== $type && 'plugins' !== $type && 'core' !== $type ) { | |
return array(); | |
} | |
$dir = 'core' === $type ? '' : "/$type"; | |
if ( ! is_dir( WP_LANG_DIR ) ) { | |
return array(); | |
} | |
if ( $dir && ! is_dir( WP_LANG_DIR . $dir ) ) { | |
return array(); | |
} | |
$files = scandir( WP_LANG_DIR . $dir ); | |
if ( ! $files ) { | |
return array(); | |
} | |
$language_data = array(); | |
foreach ( $files as $file ) { | |
if ( '.' === $file[0] || is_dir( WP_LANG_DIR . "$dir/$file" ) ) { | |
continue; | |
} | |
if ( substr( $file, -3 ) !== '.po' ) { | |
continue; | |
} | |
if ( ! preg_match( '/(?:(.+)-)?([a-z]{2,3}(?:_[A-Z]{2})?(?:_[a-z0-9]+)?).po/', $file, $match ) ) { | |
continue; | |
} | |
if ( ! in_array( substr( $file, 0, -3 ) . '.mo', $files, true ) ) { | |
continue; | |
} | |
list( , $textdomain, $language ) = $match; | |
if ( '' === $textdomain ) { | |
$textdomain = 'default'; | |
} | |
$language_data[ $textdomain ][ $language ] = wp_get_pomo_file_data( WP_LANG_DIR . "$dir/$file" ); | |
} | |
return $language_data; | |
} | |
/** | |
* Extract headers from a PO file. | |
* | |
* @since 3.7.0 | |
* | |
* @param string $po_file Path to PO file. | |
* @return string[] Array of PO file header values keyed by header name. | |
*/ | |
function wp_get_pomo_file_data( $po_file ) { | |
$headers = get_file_data( | |
$po_file, | |
array( | |
'POT-Creation-Date' => '"POT-Creation-Date', | |
'PO-Revision-Date' => '"PO-Revision-Date', | |
'Project-Id-Version' => '"Project-Id-Version', | |
'X-Generator' => '"X-Generator', | |
) | |
); | |
foreach ( $headers as $header => $value ) { | |
// Remove possible contextual '\n' and closing double quote. | |
$headers[ $header ] = preg_replace( '~(\\\n)?"$~', '', $value ); | |
} | |
return $headers; | |
} | |
/** | |
* Language selector. | |
* | |
* @since 4.0.0 | |
* @since 4.3.0 Introduced the `echo` argument. | |
* @since 4.7.0 Introduced the `show_option_site_default` argument. | |
* @since 5.1.0 Introduced the `show_option_en_us` argument. | |
* | |
* @see get_available_languages() | |
* @see wp_get_available_translations() | |
* | |
* @param string|array $args { | |
* Optional. Array or string of arguments for outputting the language selector. | |
* | |
* @type string $id ID attribute of the select element. Default 'locale'. | |
* @type string $name Name attribute of the select element. Default 'locale'. | |
* @type array $languages List of installed languages, contain only the locales. | |
* Default empty array. | |
* @type array $translations List of available translations. Default result of | |
* wp_get_available_translations(). | |
* @type string $selected Language which should be selected. Default empty. | |
* @type bool|int $echo Whether to echo the generated markup. Accepts 0, 1, or their | |
* boolean equivalents. Default 1. | |
* @type bool $show_available_translations Whether to show available translations. Default true. | |
* @type bool $show_option_site_default Whether to show an option to fall back to the site's locale. Default false. | |
* @type bool $show_option_en_us Whether to show an option for English (United States). Default true. | |
* } | |
* @return string HTML dropdown list of languages. | |
*/ | |
function wp_dropdown_languages( $args = array() ) { | |
$parsed_args = wp_parse_args( | |
$args, | |
array( | |
'id' => 'locale', | |
'name' => 'locale', | |
'languages' => array(), | |
'translations' => array(), | |
'selected' => '', | |
'echo' => 1, | |
'show_available_translations' => true, | |
'show_option_site_default' => false, | |
'show_option_en_us' => true, | |
) | |
); | |
// 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['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'] ) { | |
$structure[] = sprintf( | |
'<option value="" lang="en" data-installed="1"%s>English (United States)</option>', | |
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 {@link https://developer.wordpress.org/themes/basics/conditional-tags/ | |
* 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 ) ) { | |
return false; | |
} | |
return $wp_locale->is_rtl(); | |
} | |
/** | |
* Switches the translations according to the given locale. | |
* | |
* @since 4.7.0 | |
* | |
* @global WP_Locale_Switcher $wp_locale_switcher WordPress locale switcher object. | |
* | |
* @param string $locale The locale. | |
* @return bool True on success, false on failure. | |
*/ | |
function switch_to_locale( $locale ) { | |
/* @var WP_Locale_Switcher $wp_locale_switcher */ | |
global $wp_locale_switcher; | |
return $wp_locale_switcher->switch_to_locale( $locale ); | |
} | |
/** | |
* Restores the translations according to the previous locale. | |
* | |
* @since 4.7.0 | |
* | |
* @global WP_Locale_Switcher $wp_locale_switcher WordPress locale switcher object. | |
* | |
* @return string|false Locale on success, false on error. | |
*/ | |
function restore_previous_locale() { | |
/* @var WP_Locale_Switcher $wp_locale_switcher */ | |
global $wp_locale_switcher; | |
return $wp_locale_switcher->restore_previous_locale(); | |
} | |
/** | |
* Restores the translations according to the original locale. | |
* | |
* @since 4.7.0 | |
* | |
* @global WP_Locale_Switcher $wp_locale_switcher WordPress locale switcher object. | |
* | |
* @return string|false Locale on success, false on error. | |
*/ | |
function restore_current_locale() { | |
/* @var WP_Locale_Switcher $wp_locale_switcher */ | |
global $wp_locale_switcher; | |
return $wp_locale_switcher->restore_current_locale(); | |
} | |
/** | |
* Whether switch_to_locale() is in effect. | |
* | |
* @since 4.7.0 | |
* | |
* @global WP_Locale_Switcher $wp_locale_switcher WordPress locale switcher object. | |
* | |
* @return bool True if the locale has been switched, false otherwise. | |
*/ | |
function is_locale_switched() { | |
/* @var WP_Locale_Switcher $wp_locale_switcher */ | |
global $wp_locale_switcher; | |
return $wp_locale_switcher->is_switched(); | |
} |