/** * WordPress implementation for PHP functions either missing from older PHP versions or not included by default. * * @package PHP * @access private */ // If gettext isn't available if ( ! function_exists( '_' ) ) { function _( $string ) { return $string; } } /** * Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use. * * @ignore * @since 4.2.2 * @access private * * @staticvar string $utf8_pcre * * @param bool $set - Used for testing only * null : default - get PCRE/u capability * false : Used for testing - return false for future calls to this function * 'reset': Used for testing - restore default behavior of this function */ function _wp_can_use_pcre_u( $set = null ) { static $utf8_pcre = 'reset'; if ( null !== $set ) { $utf8_pcre = $set; } if ( 'reset' === $utf8_pcre ) { $utf8_pcre = @preg_match( '/^./u', 'a' ); } return $utf8_pcre; } if ( ! function_exists( 'mb_substr' ) ) : /** * Compat function to mimic mb_substr(). * * @ignore * @since 3.2.0 * * @see _mb_substr() * * @param string $str The string to extract the substring from. * @param int $start Position to being extraction from in `$str`. * @param int|null $length Optional. Maximum number of characters to extract from `$str`. * Default null. * @param string|null $encoding Optional. Character encoding to use. Default null. * @return string Extracted substring. */ function mb_substr( $str, $start, $length = null, $encoding = null ) { return _mb_substr( $str, $start, $length, $encoding ); } endif; /** * Internal compat function to mimic mb_substr(). * * Only understands UTF-8 and 8bit. All other character sets will be treated as 8bit. * For $encoding === UTF-8, the $str input is expected to be a valid UTF-8 byte sequence. * The behavior of this function for invalid inputs is undefined. * * @ignore * @since 3.2.0 * * @param string $str The string to extract the substring from. * @param int $start Position to being extraction from in `$str`. * @param int|null $length Optional. Maximum number of characters to extract from `$str`. * Default null. * @param string|null $encoding Optional. Character encoding to use. Default null. * @return string Extracted substring. */ function _mb_substr( $str, $start, $length = null, $encoding = null ) { if ( null === $encoding ) { $encoding = get_option( 'blog_charset' ); } /* * The solution below works only for UTF-8, so in case of a different * charset just use built-in substr(). */ if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) { return is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length ); } if ( _wp_can_use_pcre_u() ) { // Use the regex unicode support to separate the UTF-8 characters into an array. preg_match_all( '/./us', $str, $match ); $chars = is_null( $length ) ? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length ); return implode( '', $chars ); } $regex = '/( [\x00-\x7F] # single-byte sequences 0xxxxxxx | [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2 | [\xE1-\xEC][\x80-\xBF]{2} | \xED[\x80-\x9F][\x80-\xBF] | [\xEE-\xEF][\x80-\xBF]{2} | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 | [\xF1-\xF3][\x80-\xBF]{3} | \xF4[\x80-\x8F][\x80-\xBF]{2} )/x'; // Start with 1 element instead of 0 since the first thing we do is pop. $chars = array( '' ); do { // We had some string left over from the last round, but we counted it in that last round. array_pop( $chars ); /* * Split by UTF-8 character, limit to 1000 characters (last array element will contain * the rest of the string). */ $pieces = preg_split( $regex, $str, 1000, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ); $chars = array_merge( $chars, $pieces ); // If there's anything left over, repeat the loop. } while ( count( $pieces ) > 1 && $str = array_pop( $pieces ) ); return join( '', array_slice( $chars, $start, $length ) ); } if ( ! function_exists( 'mb_strlen' ) ) : /** * Compat function to mimic mb_strlen(). * * @ignore * @since 4.2.0 * * @see _mb_strlen() * * @param string $str The string to retrieve the character length from. * @param string|null $encoding Optional. Character encoding to use. Default null. * @return int String length of `$str`. */ function mb_strlen( $str, $encoding = null ) { return _mb_strlen( $str, $encoding ); } endif; /** * Internal compat function to mimic mb_strlen(). * * Only understands UTF-8 and 8bit. All other character sets will be treated as 8bit. * For $encoding === UTF-8, the `$str` input is expected to be a valid UTF-8 byte * sequence. The behavior of this function for invalid inputs is undefined. * * @ignore * @since 4.2.0 * * @param string $str The string to retrieve the character length from. * @param string|null $encoding Optional. Character encoding to use. Default null. * @return int String length of `$str`. */ function _mb_strlen( $str, $encoding = null ) { if ( null === $encoding ) { $encoding = get_option( 'blog_charset' ); } /* * The solution below works only for UTF-8, so in case of a different charset * just use built-in strlen(). */ if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) { return strlen( $str ); } if ( _wp_can_use_pcre_u() ) { // Use the regex unicode support to separate the UTF-8 characters into an array. preg_match_all( '/./us', $str, $match ); return count( $match[0] ); } $regex = '/(?: [\x00-\x7F] # single-byte sequences 0xxxxxxx | [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2 | [\xE1-\xEC][\x80-\xBF]{2} | \xED[\x80-\x9F][\x80-\xBF] | [\xEE-\xEF][\x80-\xBF]{2} | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 | [\xF1-\xF3][\x80-\xBF]{3} | \xF4[\x80-\x8F][\x80-\xBF]{2} )/x'; // Start at 1 instead of 0 since the first thing we do is decrement. $count = 1; do { // We had some string left over from the last round, but we counted it in that last round. $count--; /* * Split by UTF-8 character, limit to 1000 characters (last array element will contain * the rest of the string). */ $pieces = preg_split( $regex, $str, 1000 ); // Increment. $count += count( $pieces ); // If there's anything left over, repeat the loop. } while ( $str = array_pop( $pieces ) ); // Fencepost: preg_split() always returns one extra item in the array. return --$count; } if ( ! function_exists( 'hash_hmac' ) ) : /** * Compat function to mimic hash_hmac(). * * @ignore * @since 3.2.0 * * @see _hash_hmac() * * @param string $algo Hash algorithm. Accepts 'md5' or 'sha1'. * @param string $data Data to be hashed. * @param string $key Secret key to use for generating the hash. * @param bool $raw_output Optional. Whether to output raw binary data (true), * or lowercase hexits (false). Default false. * @return string|false The hash in output determined by `$raw_output`. False if `$algo` * is unknown or invalid. */ function hash_hmac( $algo, $data, $key, $raw_output = false ) { return _hash_hmac( $algo, $data, $key, $raw_output ); } endif; /** * Internal compat function to mimic hash_hmac(). * * @ignore * @since 3.2.0 * * @param string $algo Hash algorithm. Accepts 'md5' or 'sha1'. * @param string $data Data to be hashed. * @param string $key Secret key to use for generating the hash. * @param bool $raw_output Optional. Whether to output raw binary data (true), * or lowercase hexits (false). Default false. * @return string|false The hash in output determined by `$raw_output`. False if `$algo` * is unknown or invalid. */ function _hash_hmac( $algo, $data, $key, $raw_output = false ) { $packs = array( 'md5' => 'H32', 'sha1' => 'H40', ); if ( ! isset( $packs[ $algo ] ) ) { return false; } $pack = $packs[ $algo ]; if ( strlen( $key ) > 64 ) { $key = pack( $pack, $algo( $key ) ); } $key = str_pad( $key, 64, chr( 0 ) ); $ipad = ( substr( $key, 0, 64 ) ^ str_repeat( chr( 0x36 ), 64 ) ); $opad = ( substr( $key, 0, 64 ) ^ str_repeat( chr( 0x5C ), 64 ) ); $hmac = $algo( $opad . pack( $pack, $algo( $ipad . $data ) ) ); if ( $raw_output ) { return pack( $pack, $hmac ); } return $hmac; } if ( ! function_exists( 'json_encode' ) ) { function json_encode( $string ) { global $wp_json; if ( ! ( $wp_json instanceof Services_JSON ) ) { require_once( ABSPATH . WPINC . '/class-json.php' ); $wp_json = new Services_JSON(); } return $wp_json->encodeUnsafe( $string ); } } if ( ! function_exists( 'json_decode' ) ) { /** * @global Services_JSON $wp_json * @param string $string * @param bool $assoc_array * @return object|array */ function json_decode( $string, $assoc_array = false ) { global $wp_json; if ( ! ( $wp_json instanceof Services_JSON ) ) { require_once( ABSPATH . WPINC . '/class-json.php' ); $wp_json = new Services_JSON(); } $res = $wp_json->decode( $string ); if ( $assoc_array ) { $res = _json_decode_object_helper( $res ); } return $res; } /** * @param object $data * @return array */ function _json_decode_object_helper( $data ) { if ( is_object( $data ) ) { $data = get_object_vars( $data ); } return is_array( $data ) ? array_map( __FUNCTION__, $data ) : $data; } } if ( ! function_exists( 'hash_equals' ) ) : /** * Timing attack safe string comparison * * Compares two strings using the same time whether they're equal or not. * * This function was added in PHP 5.6. * * Note: It can leak the length of a string when arguments of differing length are supplied. * * @since 3.9.2 * * @param string $a Expected string. * @param string $b Actual, user supplied, string. * @return bool Whether strings are equal. */ function hash_equals( $a, $b ) { $a_length = strlen( $a ); if ( $a_length !== strlen( $b ) ) { return false; } $result = 0; // Do not attempt to "optimize" this. for ( $i = 0; $i < $a_length; $i++ ) { $result |= ord( $a[ $i ] ) ^ ord( $b[ $i ] ); } return $result === 0; } endif; // JSON_PRETTY_PRINT was introduced in PHP 5.4 // Defined here to prevent a notice when using it with wp_json_encode() if ( ! defined( 'JSON_PRETTY_PRINT' ) ) { define( 'JSON_PRETTY_PRINT', 128 ); } if ( ! function_exists( 'json_last_error_msg' ) ) : /** * Retrieves the error string of the last json_encode() or json_decode() call. * * @since 4.4.0 * * @internal This is a compatibility function for PHP <5.5 * * @return bool|string Returns the error message on success, "No Error" if no error has occurred, * or false on failure. */ function json_last_error_msg() { // See https://core.trac.wordpress.org/ticket/27799. if ( ! function_exists( 'json_last_error' ) ) { return false; } $last_error_code = json_last_error(); // Just in case JSON_ERROR_NONE is not defined. $error_code_none = defined( 'JSON_ERROR_NONE' ) ? JSON_ERROR_NONE : 0; switch ( true ) { case $last_error_code === $error_code_none: return 'No error'; case defined( 'JSON_ERROR_DEPTH' ) && JSON_ERROR_DEPTH === $last_error_code: return 'Maximum stack depth exceeded'; case defined( 'JSON_ERROR_STATE_MISMATCH' ) && JSON_ERROR_STATE_MISMATCH === $last_error_code: return 'State mismatch (invalid or malformed JSON)'; case defined( 'JSON_ERROR_CTRL_CHAR' ) && JSON_ERROR_CTRL_CHAR === $last_error_code: return 'Control character error, possibly incorrectly encoded'; case defined( 'JSON_ERROR_SYNTAX' ) && JSON_ERROR_SYNTAX === $last_error_code: return 'Syntax error'; case defined( 'JSON_ERROR_UTF8' ) && JSON_ERROR_UTF8 === $last_error_code: return 'Malformed UTF-8 characters, possibly incorrectly encoded'; case defined( 'JSON_ERROR_RECURSION' ) && JSON_ERROR_RECURSION === $last_error_code: return 'Recursion detected'; case defined( 'JSON_ERROR_INF_OR_NAN' ) && JSON_ERROR_INF_OR_NAN === $last_error_code: return 'Inf and NaN cannot be JSON encoded'; case defined( 'JSON_ERROR_UNSUPPORTED_TYPE' ) && JSON_ERROR_UNSUPPORTED_TYPE === $last_error_code: return 'Type is not supported'; default: return 'An unknown error occurred'; } } endif; if ( ! interface_exists( 'JsonSerializable' ) ) { define( 'WP_JSON_SERIALIZE_COMPATIBLE', true ); /** * JsonSerializable interface. * * Compatibility shim for PHP <5.4 * * @link https://secure.php.net/jsonserializable * * @since 4.4.0 */ interface JsonSerializable { public function jsonSerialize(); } } // random_int was introduced in PHP 7.0 if ( ! function_exists( 'random_int' ) ) { require ABSPATH . WPINC . '/random_compat/random.php'; } // sodium_crypto_box was introduced in PHP 7.2 if ( ! function_exists( 'sodium_crypto_box' ) ) { require ABSPATH . WPINC . '/sodium_compat/autoload.php'; } if ( ! function_exists( 'array_replace_recursive' ) ) : /** * PHP-agnostic version of {@link array_replace_recursive()}. * * The array_replace_recursive() function is a PHP 5.3 function. WordPress * currently supports down to PHP 5.2, so this method is a workaround * for PHP 5.2. * * Note: array_replace_recursive() supports infinite arguments, but for our use- * case, we only need to support two arguments. * * Subject to removal once WordPress makes PHP 5.3.0 the minimum requirement. * * @since 4.5.3 * * @see https://secure.php.net/manual/en/function.array-replace-recursive.php#109390 * * @param array $base Array with keys needing to be replaced. * @param array $replacements Array with the replaced keys. * * @return array */ function array_replace_recursive( $base = array(), $replacements = array() ) { foreach ( array_slice( func_get_args(), 1 ) as $replacements ) { $bref_stack = array( &$base ); $head_stack = array( $replacements ); do { end( $bref_stack ); $bref = &$bref_stack[ key( $bref_stack ) ]; $head = array_pop( $head_stack ); unset( $bref_stack[ key( $bref_stack ) ] ); foreach ( array_keys( $head ) as $key ) { if ( isset( $key, $bref ) && isset( $bref[ $key ] ) && is_array( $bref[ $key ] ) && isset( $head[ $key ] ) && is_array( $head[ $key ] ) ) { $bref_stack[] = &$bref[ $key ]; $head_stack[] = $head[ $key ]; } else { $bref[ $key ] = $head[ $key ]; } } } while ( count( $head_stack ) ); } return $base; } endif; /** * Polyfill for the SPL autoloader. In PHP 5.2 (but not 5.3 and later), SPL can * be disabled, and PHP 7.2 raises notices if the compiler finds an __autoload() * function declaration. Function availability is checked here, and the * autoloader is included only if necessary. */ if ( ! function_exists( 'spl_autoload_register' ) ) { require_once ABSPATH . WPINC . '/spl-autoload-compat.php'; } if ( ! function_exists( 'is_countable' ) ) { /** * Polyfill for is_countable() function added in PHP 7.3. * * Verify that the content of a variable is an array or an object * implementing the Countable interface. * * @since 4.9.6 * * @param mixed $var The value to check. * * @return bool True if `$var` is countable, false otherwise. */ function is_countable( $var ) { return ( is_array( $var ) || $var instanceof Countable || $var instanceof SimpleXMLElement || $var instanceof ResourceBundle ); } } if ( ! function_exists( 'is_iterable' ) ) { /** * Polyfill for is_iterable() function added in PHP 7.1. * * Verify that the content of a variable is an array or an object * implementing the Traversable interface. * * @since 4.9.6 * * @param mixed $var The value to check. * * @return bool True if `$var` is iterable, false otherwise. */ function is_iterable( $var ) { return ( is_array( $var ) || $var instanceof Traversable ); } } if ( ! function_exists( 'str_starts_with' ) ) { /** * Polyfill for `str_starts_with()` function added in PHP 8.0. * * Performs a case-sensitive check indicating if * the haystack begins with needle. * * @since 5.9.0 * * @param string $haystack The string to search in. * @param string $needle The substring to search for in the `$haystack`. * @return bool True if `$haystack` starts with `$needle`, otherwise false. */ function str_starts_with( $haystack, $needle ) { if ( '' === $needle ) { return true; } return 0 === strpos( $haystack, $needle ); } } if ( ! function_exists( 'str_ends_with' ) ) { /** * Polyfill for `str_ends_with()` function added in PHP 8.0. * * Performs a case-sensitive check indicating if * the haystack ends with needle. * * @since 5.9.0 * * @param string $haystack The string to search in. * @param string $needle The substring to search for in the `$haystack`. * @return bool True if `$haystack` ends with `$needle`, otherwise false. */ function str_ends_with( $haystack, $needle ) { if ( '' === $haystack ) { return '' === $needle; } $len = strlen( $needle ); return substr( $haystack, -$len, $len ) === $needle; } } /** * 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 * @global string $wp_local_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 ) ) { /** * Filters the locale ID of the WordPress installation. * * @since 1.5.0 * * @param string $locale The locale ID. */ 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() || ( false === $ms_locale = get_option( 'WPLANG' ) ) ) { $ms_locale = get_site_option( 'WPLANG' ); } if ( $ms_locale !== false ) { $locale = $ms_locale; } } else { $db_locale = get_option( 'WPLANG' ); if ( $db_locale !== false ) { $locale = $db_locale; } } if ( empty( $locale ) ) { $locale = 'en_US'; } /** This filter is documented in wp-includes/l10n.php */ 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 The locale to return and short-circuit, or null as default. */ $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_locale_name( wp_unslash( $_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 * * @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. */ return apply_filters( 'gettext', $translation, $text, $domain ); } /** * 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 * * @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. */ return apply_filters( 'gettext_with_context', $translation, $text, $context, $domain ); } /** * 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. * * @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. * * @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. * * @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. * * @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 * * @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. */ return apply_filters( 'ngettext', $translation, $single, $plural, $number, $domain ); } /** * 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 * * @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. */ return apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain ); } /** * 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 == $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 $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 $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 false|string False if the script textdomain could not be loaded, the translated strings * in JSON encoding otherwise. */ 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 = $domain === 'default' ? $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() ); $site_url = wp_parse_url( site_url() ); // If the host is the same or it's a relative URL. if ( strpos( $src_url['path'], $content_url['path'] ) === 0 && ( ! isset( $src_url['host'] ) || $src_url['host'] === $content_url['host'] ) ) { // Make the src relative the specific plugin or theme. $relative = trim( substr( $src_url['path'], strlen( $content_url['path'] ) ), '/' ); $relative = explode( '/', $relative ); $languages_path = WP_LANG_DIR . '/' . $relative[0]; $relative = array_slice( $relative, 2 ); $relative = implode( '/', $relative ); } elseif ( ! isset( $src_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 $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 $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() * @staticvar array $available_translations * * @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() * @staticvar array $cached_mofiles * * @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 ) ) { return $path; } $path = WP_LANG_DIR . '/themes/' . $mofile; if ( in_array( $path, $cached_mofiles ) ) { 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 * @staticvar NOOP_Translations $noop_translations * * @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 array 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 array $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 ( $type !== 'themes' && $type !== 'plugins' && $type !== 'core' ) { 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 ) ) { 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 array PO file headers. */ 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 content */ 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[] = ''; } // List available translations. if ( $translations_available ) { $structure[] = ''; } // Combine the output string. $output = sprintf( ''; 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 * * @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 * * @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 * * @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 * * @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 * * @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(); }