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qtranslate_core.php
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qtranslate_core.php
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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
require_once( QTRANSLATE_DIR . '/modules/qtx_modules_handler.php' );
function qtranxf_init_language() {
global $q_config, $pagenow;
qtranxf_load_config();
// 'url_info' hash is not for external use, it is subject to change at any time.
// 'url_info' is preserved on reloadConfig
if ( ! isset( $q_config['url_info'] ) ) {
$q_config['url_info'] = array();
}
$url_info = &$q_config['url_info'];
// TODO clarify url_info fields that are exposed in API
if ( ! $q_config['disable_client_cookies'] && isset( $_COOKIE[ QTX_COOKIE_NAME_FRONT ] ) ) {
$url_info['cookie_lang_front'] = $_COOKIE[ QTX_COOKIE_NAME_FRONT ];
}
if ( isset( $_COOKIE[ QTX_COOKIE_NAME_ADMIN ] ) ) {
$url_info['cookie_lang_admin'] = $_COOKIE[ QTX_COOKIE_NAME_ADMIN ];
}
// TODO this field should be removed, to be avoided as much as possible!
$url_info['cookie_front_or_admin_found'] = isset ( $url_info['cookie_lang_front'] ) || isset( $url_info['cookie_lang_admin'] );
if ( WP_DEBUG ) {
$url_info['pagenow'] = $pagenow;
$url_info['REQUEST_METHOD'] = isset( $_SERVER['REQUEST_METHOD'] ) ? $_SERVER['REQUEST_METHOD'] : '';
if ( is_admin() ) {
$url_info['WP_ADMIN'] = true;
}
if ( wp_doing_ajax() ) {
$url_info['DOING_AJAX_POST'] = $_POST;
}
if ( wp_doing_cron() ) {
$url_info['DOING_CRON_POST'] = $_POST;
}
}
// fill url_info similarly to qtranxf_parseURL
$url_info['scheme'] = is_ssl() ? 'https' : 'http';
// see https://wordpress.org/support/topic/messy-wp-cronphp-command-line-output
$url_info['host'] = isset( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : '';
$url_info['path'] = strtok( $_SERVER['REQUEST_URI'], '?' );
if ( ! empty ( $_SERVER['QUERY_STRING'] ) ) {
$url_info['query'] = qtranxf_sanitize_url( $_SERVER['QUERY_STRING'] ); // to prevent xss
if ( isset( $_GET['qtranslate-mode'] ) && $_GET['qtranslate-mode'] == 'raw' ) {
$url_info['qtranslate-mode'] = 'raw';
$url_info['doing_front_end'] = true;
$q_config['url_info'] = $url_info;
$q_config['url_info']['language'] = $q_config['default_language'];
$q_config['language'] = $q_config['default_language'];
return;
}
}
// TODO fix qtranslate-slug still using 'original_url' field and remove it from here, this has no sense!
if ( defined( 'QTS_VERSION' ) ) {
$url_info['original_url'] = $_SERVER['REQUEST_URI'];
}
$url_info['language'] = qtranxf_detect_language( $url_info );
$q_config['language'] = apply_filters( 'qtranslate_language', $url_info['language'], $url_info );
if ( $q_config['url_info']['doing_front_end'] && qtranxf_can_redirect() ) {
$lang = $q_config['language'];
$url_orig = $url_info['scheme'] . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$url_lang = qtranxf_convertURL( '', $lang ); // uses $q_config['url_info'] and caches information, which will be needed later anyway.
if ( ! isset( $url_info['doredirect'] ) && $url_orig != $url_lang ) {
$url_info['doredirect'] = '$url_orig != $url_lang';
}
if ( isset( $url_info['doredirect'] ) ) {
/**
* Filter provides a chance to alter redirect behaviour.
*
* @param string $url_lang proposed target URL for the active language to redirect to.
* @param string $url_orig original URL supplied to browser, which needs to be standardized.
* @param array $url_info a hash of various information parsed from original URL, coockies and other site configuration. The key names should be self-explanatory.
*
* @return mixed A new URL to be redirected to instead of $url_lang or "false" to cancel redirection.
*/
$target = apply_filters( 'qtranslate_language_detect_redirect', $url_lang, $url_orig, $url_info );
if ( $target !== false && $target != $url_orig ) {
wp_redirect( $target );
nocache_headers(); // prevent browser from caching redirection
exit();
} else {
// neutral path
$url_info['doredirect'] .= ' - cancelled, because it goes to the same target - neutral URL';
if ( $pagenow == 'index.php' && $q_config['url_mode'] == QTX_URL_PATH ) {
$_SERVER['REQUEST_URI'] = trailingslashit( $url_info['path-base'] ) . $lang . $url_info['wp-path']; // should not hurt?
}
}
}
} elseif ( isset( $url_info['doredirect'] ) ) {
$url_info['doredirect'] .= ' - cancelled by can_redirect';
// this should never happen! We are now in a bad state.
assert( false, $url_info['doredirect'] . ', url_info=' . json_encode( $url_info, JSON_PRETTY_PRINT ) );
}
// TODO clarify fix url to prevent xss - how does this prevents xss?
// $q_config['url_info']['url'] = qtranxf_convertURL(add_query_arg('lang',$q_config['default_language'],$q_config['url_info']['url']));
// qtranslate_hooks.php has to go before load_plugin_textdomain()
require_once( dirname( __FILE__ ) . '/qtranslate_hooks.php' );//common hooks moved here from qtranslate.php since 3.2.9.2, because they all need language already detected
// load plugin translations
// since 3.2-b3 moved it here as https://codex.wordpress.org/Function_Reference/load_plugin_textdomain seem to recommend to run load_plugin_textdomain in 'plugins_loaded' action, which is this function responds to
qtranxf_load_plugin_textdomain();
/**
* allow other plugins to initialize whatever they need before the fork between front and admin.
*/
do_action( 'qtranslate_load_front_admin', $url_info );
if ( $q_config['url_info']['doing_front_end'] ) {
require_once( QTRANSLATE_DIR . '/qtranslate_frontend.php' );
} else {
require_once( QTRANSLATE_DIR . '/admin/qtx_admin.php' );
}
apply_filters( 'wp_translator', null );//create QTX_Translator object
qtranxf_load_option_qtrans_compatibility();
QTX_Modules_Handler::load_modules_enabled();
/**
* allow other plugins and modules to initialize whatever they need for language
*/
do_action( 'qtranslate_init_language', $url_info );
}
function qtranxf_detect_language( &$url_info ) {
global $q_config;
if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
$siteinfo = qtranxf_get_site_info();
$url_info['path-base'] = $siteinfo['path'];
} else {
qtranxf_complete_url_info( $url_info );
if ( ! isset( $url_info['path-base'] ) ) {
// path did not match neither 'site' nor 'home', but it came to this code, then redirect to home.
// may happen for testing
$target = get_option( 'home' );
wp_redirect( $target );
exit();
}
$url_info['doing_front_end'] = true;
}
$lang = qtranxf_parse_language_info( $url_info );
// TODO check if we shouldn't generalize the referrer parsing to all cases, do we need all these limitations?
$parse_referrer = qtranxf_is_rest_request_expected() ||
( ( ! $lang || ! isset( $url_info['doing_front_end'] ) ) &&
( wp_doing_ajax() || ! $url_info['cookie_front_or_admin_found'] ) );
// parse language and front info from HTTP_REFERER
if ( isset( $_SERVER['HTTP_REFERER'] ) && $parse_referrer ) {
$http_referer = $_SERVER['HTTP_REFERER'];
$url_info['http_referer'] = $http_referer;
// if needed, detect front- vs back-end
$parse_referrer_language = true;
if ( strpos( $http_referer, '/wp-admin' ) !== false ) {
$url_info['referer_admin'] = true;
if ( ! isset( $url_info['doing_front_end'] ) ) {
$url_info['doing_front_end'] = false;
}
if ( qtranxf_is_rest_request_expected() ) {
// TODO see if we can detect front better for REST to avoid overriding here
$url_info['doing_front_end'] = false;
} else {
// TODO check if language shouldn't be parsed for non-admin referrer as well, potentially a legacy bug!
$parse_referrer_language = false;
}
}
if ( $parse_referrer_language ) {
$ref_info = qtranxf_parseURL( $http_referer );
if ( ! qtranxf_external_host( $ref_info['host'] ) ) {
// determine $ref_info['path-base']
qtranxf_complete_url_info( $ref_info );
if ( isset( $ref_info['path-base'] ) ) {
// TODO remove internal_refer, not used
$url_info['internal_referer'] = true;
if ( ! $lang || ! ( isset( $url_info['doing_front_end'] ) || isset( $ref_info['doing_front_end'] ) ) ) {
$lang = qtranxf_parse_language_info( $ref_info, true );
if ( $lang === false ) {
unset( $url_info['internal_referer'] );
}
}
$url_info['referer_language'] = $lang;
if ( ! isset( $url_info['doing_front_end'] ) && isset( $ref_info['doing_front_end'] ) ) {
$url_info['doing_front_end'] = $ref_info['doing_front_end'];
}
}
}
if ( ! $lang && $q_config['hide_default_language']
&& isset( $url_info['doing_front_end'] ) && $url_info['doing_front_end'] ) {
$lang = $q_config['default_language'];
}
}
}
if ( ! isset( $url_info['doing_front_end'] ) ) {
$url_info['doing_front_end'] = ! is_admin();
}
if ( ! $lang ) {
$lang = $url_info['doing_front_end'] ? qtranxf_detect_language_front( $url_info ) : qtranxf_detect_language_admin( $url_info );
}
$url_info['language'] = $lang;
// REST calls should be deterministic (stateless), no special language detection e.g. based on cookie
$url_info['set_cookie'] = ! wp_doing_ajax() && ! qtranxf_is_rest_request_expected();
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$url_info = apply_filters( 'qtranslate_detect_language', $url_info );
$lang = $url_info['language'];
if ( $url_info['set_cookie'] ) {
qtranxf_set_language_cookie( $lang );
}
return $lang;
}
/**
* Parse language from the URL and/or query var, update url_info accordingly
*
* Expects to be set before call:
* - $url_info['host']
* - $url_info['path']
* - $url_info['query']
* - $url_info['path-base']
*
* @param array $url_info
* @param bool $link true when url_info concerns internal referrer (HTTP_REFERER)
*
* @return bool|string
*/
function qtranxf_parse_language_info( &$url_info, $link = false ) {
global $q_config;
qtranxf_complete_url_info_path( $url_info );
if ( ! isset( $url_info['wp-path'] ) ) {
return false; // url is not from this WP installation
}
$lang_code = QTX_LANG_CODE_FORMAT;
$doredirect = false;
// parse URL lang
if ( ! is_admin() || $link ) {
$url_mode = $q_config['url_mode'];
switch ( $url_mode ) {
case QTX_URL_PATH:
if ( ! empty( $url_info['wp-path'] ) && preg_match( "!^/($lang_code)(/|$)!i", $url_info['wp-path'], $match ) ) {
$lang = qtranxf_resolveLangCase( $match[1], $doredirect );
if ( $lang ) {
$url_info['lang_url'] = $lang;
$url_info['wp-path'] = substr( $url_info['wp-path'], strlen( $lang ) + 1 );
$url_info['doing_front_end'] = true;
}
}
break;
case QTX_URL_DOMAIN:
if ( ! empty( $url_info['host'] ) ) {
if ( preg_match( "#^($lang_code)\.#i", $url_info['host'], $match ) ) {
$lang = qtranxf_resolveLangCase( $match[1], $doredirect );
if ( $lang ) {
$url_info['lang_url'] = $lang;
$url_info['host'] = substr( $url_info['host'], strlen( $lang ) + 1 );
$url_info['doing_front_end'] = true;
}
}
}
break;
case QTX_URL_DOMAINS:
if ( ! empty( $url_info['host'] ) ) {
// TODO should 'enabled_languages' be defined as host->lang for domains?
foreach ( $q_config['enabled_languages'] as $lang ) {
if ( ! isset( $q_config['domains'][ $lang ] ) ) {
continue;
}
if ( $q_config['domains'][ $lang ] != $url_info['host'] ) {
continue;
}
$url_info['lang_url'] = $lang;
if ( $lang != $q_config['default_language'] || strpos( get_option( 'siteurl' ), $url_info['host'] ) === false ) {
$url_info['doing_front_end'] = true;
}
break;
}
}
break;
default:
// TODO why don't we parse query lang here as 'lang_url'?!
assert( $url_mode == QTX_URL_QUERY );
/**
* Hook for possible other methods
* Set, if applicable:
* $url_info['lang_url']
* $url_info['doing_front_end']
* $url_info['path'] - convert to language neutral or default
*/
// TODO why do we have this spooky hook only for query mode?!
$url_info = apply_filters( 'qtranslate_parse_language_info_mode', $url_info, $q_config['url_mode'] );
break;
}
}
// parse query lang (even for non query mode!)
$query_lang = false;
if ( ! $link ) {
if ( isset( $_GET['lang'] ) ) {
$query_lang = qtranxf_resolveLangCase( $_GET['lang'], $doredirect );
if ( $query_lang ) {
$url_info['lang_query_get'] = $query_lang; // only used in qtranxf_url_set_language
}
} else if ( isset( $_POST['lang'] ) ) {
$query_lang = qtranxf_resolveLangCase( $_POST['lang'], $doredirect );
}
} elseif ( ! empty( $url_info['query'] ) && preg_match( '/(^|&|&|&|\?)lang=($lang_code)/i', $url_info['query'], $match ) ) {
// checked for query mode, see https://github.com/qTranslate-Team/qtranslate-x/issues/288
$query_lang = qtranxf_resolveLangCase( $match[2], $doredirect );
}
$parsed_lang = false;
// don't allow query lang switch with REST request
if ( qtranxf_is_rest_request_expected() ) {
if ( isset( $url_info['lang_url'] ) ) {
$parsed_lang = $url_info['lang_url'];
} elseif ( $query_lang && ( $q_config['url_mode'] == QTX_URL_QUERY || $link ) ) {
// consider query lang for query mode or fallback for referrer links (from REST)
$parsed_lang = $query_lang;
}
// 'hide_default_language' should also be set in query mode
if ( ! isset( $parsed_lang ) && $q_config['hide_default_language'] ) {
$parsed_lang = $q_config['default_language'];
}
// TODO validate URL-case redirections
if ( $doredirect ) {
assert( isset( $parsed_lang ) );
$doredirect = false;
}
} else {
if ( $query_lang ) {
// query overrides URL lang for a language switch
$parsed_lang = $query_lang;
// TODO can we avoid removing query args?
qtranxf_del_query_arg( $url_info['query'], 'lang' );
if ( $q_config['url_mode'] != QTX_URL_QUERY && ! is_admin() ) {
// force lang switch from query var
$doredirect = true;
}
} elseif ( isset( $url_info['lang_url'] ) ) {
$parsed_lang = $url_info['lang_url'];
assert( $parsed_lang !== false );
if ( $q_config['hide_default_language'] && $parsed_lang == $q_config['default_language'] ) {
// default lang should not be part of the URL when hidden
$doredirect = true;
}
}
}
if ( $parsed_lang ) {
$url_info['language'] = $parsed_lang;
}
if ( $doredirect ) {
$url_info['doredirect'] = 'detected in parse_language_info';
}
if ( ! isset( $url_info['doing_front_end'] ) ) {
$url_info['language_neutral_path'] = qtranxf_language_neutral_path( $url_info['wp-path'] );
if ( ! $url_info['language_neutral_path'] ) {
$url_info['doing_front_end'] = true;
}
}
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$url_info = apply_filters( 'qtranslate_parse_language_info', $url_info, $link );
if ( isset( $url_info['language'] ) ) {
$parsed_lang = $url_info['language'];
}
assert( isset( $parsed_lang ) );
return $parsed_lang;
}
function qtranxf_detect_language_admin( &$url_info ) {
require_once( dirname( __FILE__ ) . '/admin/qtx_admin_utils.php' );
$url_info = apply_filters( 'qtranslate_detect_admin_language', $url_info );
return $url_info['lang_admin'];
}
function qtranxf_detect_language_front( &$url_info ) {
global $q_config;
$lang = null;
if ( ! $q_config['disable_client_cookies'] && isset( $_COOKIE[ QTX_COOKIE_NAME_FRONT ] ) ) {
$cs = null;
$lang = qtranxf_resolveLangCase( $_COOKIE[ QTX_COOKIE_NAME_FRONT ], $cs );
$url_info['lang_cookie_front'] = $lang;
}
if ( ! $lang && $q_config['detect_browser_language']
&& ( ! isset( $_SERVER['HTTP_REFERER'] ) || strpos( $_SERVER['HTTP_REFERER'], $url_info['host'] ) === false ) // no or external referrer
) {
$lang = qtranxf_http_negotiate_language();
$url_info['lang_browser'] = $lang;
}
if ( ! $lang ) {
$lang = $q_config['default_language'];
}
if ( ! isset( $url_info['doredirect'] )
&& ( ! qtranxf_is_rest_request_expected() ) // fallback case where language can be read from cookie with REST
&& ( ! $q_config['hide_default_language'] || $lang != $q_config['default_language'] )
&& ( ! qtranxf_language_neutral_path( $url_info['wp-path'] ) )
) {
$url_info['doredirect'] = 'language needs to be shown in url';
}
return $lang;
}
function qtranxf_setcookie_language( $lang, $cookie_name, $cookie_path ) {
global $q_config;
// only meant for server-side, set 'httponly' flag
setcookie( $cookie_name, $lang, strtotime( '+1year' ), $cookie_path, null, $q_config['use_secure_cookie'], true );
}
function qtranxf_set_language_cookie( $lang ) {
global $q_config;
assert( ! qtranxf_is_rest_request_expected() );
if ( is_admin() ) {
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_ADMIN, ADMIN_COOKIE_PATH );
} elseif ( ! $q_config['disable_client_cookies'] ) {
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_FRONT, COOKIEPATH );
}
}
function qtranxf_get_browser_language() {
if ( ! isset( $_SERVER["HTTP_ACCEPT_LANGUAGE"] ) ) {
return null;
}
if ( ! preg_match_all( "#([^;,]+)(;[^,0-9]*([0-9.]+)[^,]*)?#i", $_SERVER["HTTP_ACCEPT_LANGUAGE"], $matches, PREG_SET_ORDER ) ) {
return null;
}
$prefered_languages = array();
$priority = 1.0;
foreach ( $matches as $match ) {
if ( ! isset( $match[3] ) ) {
$pr = $priority;
$priority -= 0.001;
} else {
$pr = floatval( $match[3] );
}
$prefered_languages[ $match[1] ] = $pr;
}
arsort( $prefered_languages, SORT_NUMERIC );
foreach ( $prefered_languages as $language => $priority ) {
$lang = qtranxf_match_language_locale( $language );
if ( $lang ) {
return $lang;
}
}
return null;
}
function qtranxf_http_negotiate_language() {
global $q_config;
if ( function_exists( 'http_negotiate_language' ) ) {
$default_language = $q_config['default_language'];
$supported = array();
$supported[] = qtranxf_html_locale( $q_config['locale'][ $default_language ] ); // needs to be the first
if ( ! empty( $q_config['locale_html'][ $default_language ] ) ) {
$supported[] = $q_config['locale_html'][ $default_language ];
}
foreach ( $q_config['enabled_languages'] as $lang ) {
if ( $lang == $default_language ) {
continue;
}
$supported[] = qtranxf_html_locale( $q_config['locale'][ $lang ] );
if ( ! empty( $q_config['locale_html'][ $lang ] ) ) {
$supported[] = $q_config['locale_html'][ $lang ];
}
}
$locale_negotiated = http_negotiate_language( $supported );
return qtranxf_match_language_locale( $locale_negotiated );
} else {
return qtranxf_get_browser_language();
}
}
function qtranxf_resolveLangCase( $lang, &$caseredirect ) {
if ( qtranxf_isEnabled( $lang ) ) {
return $lang;
}
$lng = strtolower( $lang );
if ( qtranxf_isEnabled( $lng ) ) {
$caseredirect = true;
return $lng;
}
$lng = strtoupper( $lang );
if ( qtranxf_isEnabled( $lng ) ) {
$caseredirect = true;
return $lng;
}
return false;
}
function qtranxf_load_option_qtrans_compatibility() {
global $q_config;
qtranxf_load_option_bool( 'qtrans_compatibility', false );
$q_config['qtrans_compatibility'] = apply_filters( 'qtranslate_compatibility', $q_config['qtrans_compatibility'] );
if ( ! isset( $q_config['qtrans_compatibility'] ) || ! $q_config['qtrans_compatibility'] ) {
return;
}
require_once( dirname( __FILE__ ) . '/qtranslate_compatibility.php' );
}
function qtranxf_load_plugin_textdomain() {
if ( load_plugin_textdomain( 'qtranslate', false, basename( QTRANSLATE_DIR ) . '/lang' ) ) {
return true;
}
return false;
}
/**
* Response to action 'init', which runs after user is authenticated.
* Currently unused.
* Is in use by 3rd-party plugins (for example, alo_easymail) to test q-X presence,
* which they should have done by testing "if ( defined( 'QTRANSLATE_FILE' )" instead.
* @since 3.4
*/
// TODO this function should be removed but some legacy plugins might still use this to check if q-XT is enabled...
function qtranxf_init() {
}
function qtranxf_front_header_css_default() {
global $q_config;
$flag_location = qtranxf_flag_location();
$css = '';
foreach ( $q_config['enabled_languages'] as $lang ) {
$css .= '.qtranxs_flag_' . $lang . ' {background-image: url(' . $flag_location . $q_config['flag'][ $lang ] . '); background-repeat: no-repeat;}' . PHP_EOL;
}
return $css;
}
function qtranxf_flag_location() {
global $q_config;
return trailingslashit( content_url() ) . $q_config['flag_location'];
}
function qtranxf_flag_location_default() {
return qtranxf_plugin_dirname_from_wp_content() . '/flags/';
}
function qtranxf_load_option_flag_location( $nm ) {
global $q_config;
$default_value = qtranxf_flag_location_default();
$option_value = get_option( 'qtranslate_' . $nm );
if ( $option_value === false ) {
$q_config[ $nm ] = $default_value;
} else {
// url fix for upgrading users
$flag_location = trailingslashit( preg_replace( '#^wp-content/#', '', $option_value ) );
if ( file_exists( trailingslashit( WP_CONTENT_DIR ) . $flag_location ) && $default_value != $flag_location ) {
$q_config[ $nm ] = $flag_location;
} else {
$q_config[ $nm ] = $default_value;
delete_option( 'qtranslate_' . $nm );
}
}
}
function qtranxf_validateBool( $var, $default_value ) {
if ( $var === '0' ) {
return false;
} elseif ( $var === '1' ) {
return true;
} else {
return $default_value;
}
}
function qtranxf_load_option( $name, $default_value = null ) {
global $q_config, $qtranslate_options;
$val = get_option( 'qtranslate_' . $name );
if ( $val === false ) {
if ( is_null( $default_value ) ) {
if ( ! isset( $qtranslate_options['default_value'][ $name ] ) ) {
return;
}
$default_value = $qtranslate_options['default_value'][ $name ];
}
if ( is_string( $default_value ) && function_exists( $default_value ) ) {
$val = call_user_func( $default_value );
} else {
$val = $default_value;
}
}
$q_config[ $name ] = $val;
}
function qtranxf_load_option_array( $name, $default_value = null ) {
global $q_config;
$vals = get_option( 'qtranslate_' . $name );
if ( $vals === false ) {
if ( is_null( $default_value ) ) {
return;
}
if ( is_string( $default_value ) ) {
if ( function_exists( $default_value ) ) {
$vals = call_user_func( $default_value );
} else {
$vals = preg_split( '/[\s,]+/', $default_value, null, PREG_SPLIT_NO_EMPTY );
}
} else if ( is_array( $default_value ) ) {
$vals = $default_value;
}
}
if ( ! is_array( $vals ) ) {
return;
}
// clean up array due to previous configuration imperfections
foreach ( $vals as $key => $val ) {
if ( ! empty( $val ) ) {
continue;
}
unset( $vals[ $key ] );
if ( ! empty( $vals ) ) {
continue;
}
delete_option( 'qtranslate_' . $name );
break;
}
$q_config[ $name ] = $vals;
}
function qtranxf_load_option_bool( $name, $default_value = null ) {
global $q_config;
$val = get_option( 'qtranslate_' . $name );
if ( $val === false ) {
if ( ! is_null( $default_value ) ) {
$q_config[ $name ] = $default_value;
}
} else {
switch ( $val ) {
case '0':
$q_config[ $name ] = false;
break;
case '1':
$q_config[ $name ] = true;
break;
default:
$val = strtolower( $val );
switch ( $val ) {
case 'n':
case 'no':
$q_config[ $name ] = false;
break;
case 'y':
case 'yes':
$q_config[ $name ] = true;
break;
default:
$q_config[ $name ] = ! empty( $val );
break;
}
break;
}
}
}
function qtranxf_load_option_func( $name, $opn = null, $func = null ) {
global $q_config;
if ( ! $opn ) {
$opn = 'qtranslate_' . $name;
}
$val = get_option( $opn );
if ( $val === false ) {
if ( ! $func ) {
$func = 'qtranxf_default_' . $name;
}
$val = call_user_func( $func );
}
$q_config[ $name ] = $val;
}
function qtranxf_is_permalink_structure_query() {
$permalink_structure = get_option( 'permalink_structure' );
return empty( $permalink_structure ) || strpos( $permalink_structure, '?' ) !== false || strpos( $permalink_structure, 'index.php' ) !== false;
}
function qtranxf_loadConfig() {
_deprecated_function( __FUNCTION__, '3.10.0', 'qtranxf_load_config' );
qtranxf_load_config();
}
function qtranxf_load_config() {
global $qtranslate_options, $q_config;
qtranxf_set_default_options( $qtranslate_options );
$q_config = array();
qtranxf_load_option_func( 'default_language' );
qtranxf_load_option_array( 'enabled_languages' );
qtranxf_load_option_flag_location( 'flag_location' );
qtranxf_load_languages_enabled();
foreach ( $qtranslate_options['front']['int'] as $name => $def ) {
qtranxf_load_option( $name, $def );
}
foreach ( $qtranslate_options['front']['bool'] as $name => $def ) {
qtranxf_load_option_bool( $name, $def );
}
foreach ( $qtranslate_options['front']['str'] as $name => $def ) {
qtranxf_load_option( $name, $def );
}
foreach ( $qtranslate_options['front']['text'] as $name => $def ) {
qtranxf_load_option( $name, $def );
}
foreach ( $qtranslate_options['front']['array'] as $name => $def ) {
qtranxf_load_option_array( $name, $def );
}
qtranxf_load_option_array( 'term_name', array() );
if ( $q_config['filter_options_mode'] == QTX_FILTER_OPTIONS_LIST ) {
qtranxf_load_option_array( 'filter_options', QTX_FILTER_OPTIONS_DEFAULT );
}
$url_mode = $q_config['url_mode'];
// check for invalid permalink/url mode combinations
if ( qtranxf_is_permalink_structure_query() ) {
switch ( $url_mode ) {
case QTX_URL_QUERY:
case QTX_URL_DOMAIN:
case QTX_URL_DOMAINS:
break;
default:
$q_config['url_mode'] = $url_mode = QTX_URL_QUERY;
break;
}
}
switch ( $url_mode ) {
case QTX_URL_DOMAINS:
$q_config['domains'] = array();
qtranxf_load_option_array( 'domains' );
//qtranxf_dbg_echo('domains loaded: ',$q_config['domains']);
foreach ( $q_config['enabled_languages'] as $lang ) {
if ( isset( $q_config['domains'][ $lang ] ) ) {
continue;
}
$homeinfo = qtranxf_get_home_info();
$q_config['domains'][ $lang ] = $lang . '.' . $homeinfo['host'];
}
$q_config['disable_client_cookies'] = true;
$q_config['hide_default_language'] = false;
break;
case QTX_URL_QUERY:
case QTX_URL_PATH:
$q_config['disable_client_cookies'] = false;
qtranxf_load_option_bool( 'disable_client_cookies' );
break;
case QTX_URL_DOMAIN:
default:
$q_config['disable_client_cookies'] = true;
break;
}
$ignore_file_types = get_option( 'qtranslate_ignore_file_types' );
$val = explode( ',', QTX_IGNORE_FILE_TYPES );
if ( ! empty( $ignore_file_types ) ) {
$vals = preg_split( '/[\s,]+/', strtolower( $ignore_file_types ), null, PREG_SPLIT_NO_EMPTY );
foreach ( $vals as $v ) {
if ( empty( $v ) ) {
continue;
}
if ( in_array( $v, $val ) ) {
continue;
}
$val[] = $v;
}
}
$q_config['ignore_file_types'] = $val;
if ( empty( $q_config['front_config'] ) ) {
// TODO this should be granulated to load only what is needed
require_once( QTRANSLATE_DIR . '/admin/qtx_activation_hook.php' );
require_once( QTRANSLATE_DIR . '/admin/qtx_admin_options_update.php' );
qtranxf_update_i18n_config();
}
/**
* Opportunity to load additional front-end features.
*/
do_action( 'qtranslate_load_config' );
do_action_deprecated( 'qtranslate_loadConfig', array(), '3.10.0', 'qtranslate_load_config' );
}
// check if it is a link to an ignored file type
function qtranxf_ignored_file_type( $path ) {
global $q_config;
//qtranxf_dbg_echo('qtranxf_ignored_file_type: pathinfo:',$pathinfo);
$i = strpos( $path, '?' );
if ( $i !== false ) {
$path = substr( $path, 0, $i );
}
$i = strpos( $path, '#' );
if ( $i !== false ) {
$path = substr( $path, 0, $i );
}
$i = strrpos( $path, '.' );
//qtranxf_dbg_echo('qtranxf_ignored_file_type: path='.$path.'; i='.$i);
if ( $i === false ) {
return false;
}
$ext = substr( $path, $i + 1 );
//qtranxf_dbg_echo('qtranxf_ignored_file_type: ext='.$ext);
return in_array( $ext, $q_config['ignore_file_types'] );
}
function qtranxf_language_neutral_path( $path ) {
if ( empty( $path ) ) {
return false;
}
static $language_neutral_path_cache;
if ( isset( $language_neutral_path_cache[ $path ] ) ) {
return $language_neutral_path_cache[ $path ];
}
if ( preg_match( '#^/(wp-.*\.php|wp-login/|wp-admin/|xmlrpc.php|robots.txt|oauth/)#', $path ) ) {
$language_neutral_path_cache[ $path ] = true;
return true;
}
if ( qtranxf_ignored_file_type( $path ) ) {
$language_neutral_path_cache[ $path ] = true;
return true;
}
$language_neutral_path_cache[ $path ] = false;
return false;
}
/**
* @since 3.0
*/
function qtranxf_url_del_language( &$urlinfo ) {
global $q_config;
if ( ! empty( $urlinfo['query'] ) ) {
$query = &$urlinfo['query'];
// & workaround
if ( strpos( $query, '&' ) !== false ) {
$query = str_replace( '&', '&', $query );
$urlinfo['query_amp'] = true;
}
if ( strpos( $urlinfo['query'], '&' ) !== false ) {
$query = str_replace( '&', '&', $query );
$urlinfo['query_amp'] = true;
}
qtranxf_del_query_arg( $query, 'lang' );
}
$url_mode = $q_config['url_mode'];
switch ( $url_mode ) {
case QTX_URL_PATH:
// might already have language information
$lang_code = QTX_LANG_CODE_FORMAT;
if ( ! empty( $urlinfo['wp-path'] ) && preg_match( "!^/($lang_code)(/|$)!i", $urlinfo['wp-path'], $match ) ) {
if ( qtranxf_isEnabled( $match[1] ) ) {
// found language information, remove it
$urlinfo['wp-path'] = substr( $urlinfo['wp-path'], strlen( $match[1] ) + 1 );
}
}
break;
case QTX_URL_DOMAIN:
// remove language information
$homeinfo = qtranxf_get_home_info();
$urlinfo['host'] = $homeinfo['host'];
break;
case QTX_URL_DOMAINS:
$urlinfo['host'] = $q_config['domains'][ $q_config['default_language'] ];
break;
case QTX_URL_QUERY:
break;
default:
$urlinfo = apply_filters( 'qtranslate_url_del_language', $urlinfo, $url_mode );
break;
}
}
function qtranxf_url_set_language( $urlinfo, $lang, $showLanguage ) {
global $q_config;
$urlinfo = qtranxf_copy_url_info( $urlinfo );
if ( $showLanguage ) {
$url_mode = $q_config['url_mode'];
switch ( $url_mode ) {
case QTX_URL_PATH:
$urlinfo['wp-path'] = '/' . $lang . $urlinfo['wp-path'];
break;
case QTX_URL_DOMAIN:
$urlinfo['host'] = $lang . '.' . $urlinfo['host'];
break;
case QTX_URL_DOMAINS:
$urlinfo['host'] = $q_config['domains'][ $lang ];
break;
case QTX_URL_QUERY:
qtranxf_add_query_arg( $urlinfo['query'], 'lang=' . $lang );
break;
}
$urlinfo = apply_filters( 'qtranslate_url_set_language', $urlinfo, $lang, $url_mode );
}
// see if cookies are activated
if ( ! $showLanguage//there still is no language information in the converted URL
&& ! $q_config['url_info']['cookie_front_or_admin_found']// there will be no way to take language from the cookie
&& $q_config['language'] != $q_config['default_language']//we need to be able to get language other than default
&& empty( $q_config['url_info']['lang_url'] )//we will not be able to get language from referrer path
&& empty( $q_config['url_info']['lang_query_get'] )//we will not be able to get language from referrer query
) {
// :( now we have to make unpretty URLs
qtranxf_add_query_arg( $urlinfo['query'], 'lang=' . $lang );
}
// & workaround
if ( isset( $urlinfo['query_amp'] ) ) {
$urlinfo['query'] = str_replace( '&', '&', $urlinfo['query'] );
}
return $urlinfo;
}
function qtranxf_get_url_for_language( $url, $lang, $showLanguage = true ) {
global $q_config;
static $url_cache = array();
if ( ! isset( $url_cache[ $url ] ) ) {
$url_cache[ $url ] = array();
}
$urlinfo = &$url_cache[ $url ];
if ( $showLanguage ) {
if ( isset( $urlinfo[ $lang ] ) ) {