PHP qtranxf_isEnabled函数代码示例

/**
 * @param (string) $name - urldecoded post name or other single slug (not a path with '/').
*/
function qtranxf_slug_update_translations($name, &$qfields, $default_lang)
{
    global $q_config, $wpdb;
    if (empty($name)) {
        return;
    }
    //qtranxf_dbg_log('qtranxf_slug_update_translations: $name="'.$name.'", $qfields: ', $qfields);
    if (isset($qfields['qtranslate-original-value'])) {
        if ($qfields['qtranslate-original-value'] != $name) {
            qtranxf_slug_del_translations(qtranxf_slug_encode($qfields['qtranslate-original-value']));
        }
        unset($qfields['qtranslate-original-value']);
    }
    unset($qfields[$default_lang]);
    //use $post->post_name instead since it may have been adjusted by WP
    $name = qtranxf_slug_encode($name);
    //qtranxf_dbg_log('qtranxf_slug_update_translations: encoded $name: ', $name);
    if (qtranxf_slug_translate_name($name, $default_lang)) {
        qtranxf_slug_del_translation($default_lang, $name);
    }
    //$translations = qtranxf_slug_get_translations($name);
    foreach ($qfields as $lang => $slug) {
        $translation = qtranxf_slug_translate_name($name, $lang);
        $slug = qtranxf_slug_encode($slug);
        //qtranxf_dbg_log('qtranxf_slug_update_translations: origin $slug: ', $slug);
        if ($name == $slug) {
            if ($translation) {
                qtranxf_slug_del_translation($lang, $name);
            }
            continue;
        }
        $slug = qtranxf_slug_unique($slug, $lang, $name);
        //qtranxf_dbg_log('qtranxf_slug_update_translations: unique $slug: ',$slug);
        if ($translation) {
            $sql = 'UPDATE ' . $wpdb->prefix . 'i18n_slugs SET slug = %s WHERE lang = %s AND name = %s';
        } else {
            $sql = 'INSERT INTO ' . $wpdb->prefix . 'i18n_slugs (slug, lang, name) VALUES (%s, %s, %s)';
        }
        $query = $wpdb->prepare($sql, $slug, $lang, $name);
        $wpdb->query($query);
        if (!isset($q_config['slugs-cache']['names'][$name])) {
            $q_config['slugs-cache']['names'][$name] = array();
        }
        $q_config['slugs-cache']['names'][$name][$lang] = $slug;
    }
    //cleanup in case a language was disabled
    $slugs = qtranxf_slug_get_translations($name);
    foreach ($slugs as $lang => $slug) {
        if (qtranxf_isEnabled($lang)) {
            continue;
        }
        qtranxf_slug_del_translation($lang, $name);
    }
}

/**
 * return 'true', if no update needed,
 * or 'false', if update is impossible to do,
 * or 0, if all languages were updated successfully,
 * or positive integer number of errors occurred on languages update.
 */
function qtranxf_updateGettextDatabasesEx($force = false, $only_for_language = '')
{
    global $q_config;
    if ($only_for_language && !qtranxf_isEnabled($only_for_language)) {
        return false;
    }
    if (!is_dir(WP_LANG_DIR)) {
        if (!@mkdir(WP_LANG_DIR)) {
            return false;
        }
    }
    $next_update = get_option('qtranslate_next_update_mo');
    if (time() < $next_update && !$force) {
        return true;
    }
    update_option('qtranslate_next_update_mo', time() + 7 * 24 * 60 * 60);
    require_once ABSPATH . 'wp-admin/includes/translation-install.php';
    require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    include ABSPATH . WPINC . '/version.php';
    // include an unmodified $wp_version
    $result = translations_api('core', array('version' => $wp_version));
    if (is_wp_error($result)) {
        qtranxf_add_error(__('Gettext databases <strong>not</strong> updated:', 'qtranslate') . ' ' . $result->get_error_message());
        return false;
    }
    set_time_limit(300);
    $langs = empty($only_for_language) ? $q_config['enabled_languages'] : array($only_for_language);
    $errcnt = 0;
    foreach ($result['translations'] as $translation) {
        $locale = $translation['language'];
        $lang = null;
        foreach ($langs as $lng) {
            if ($q_config['locale'][$lng] != $locale) {
                continue;
            }
            $lang = $lng;
            break;
        }
        if (!$lang) {
            continue;
        }
        $translation = (object) $translation;
        $skin = new Automatic_Upgrader_Skin();
        $upgrader = new Language_Pack_Upgrader($skin);
        $translation->type = 'core';
        $result = $upgrader->upgrade($translation, array('clear_update_cache' => false));
        if (is_wp_error($result)) {
            qtranxf_add_error(sprintf(__('Failed to update gettext database for "%s": %s', 'qtranslate'), $q_config['language_name'][$lang], $result->get_error_message()));
            ++$errcnt;
        }
    }
    return $errcnt;
}

function qtranxf_enableLanguage($lang)
{
    global $q_config;
    if (qtranxf_isEnabled($lang)) {
        // || !isset($q_config['language_name'][$lang]))
        return false;
    }
    $q_config['enabled_languages'][] = $lang;
    // force update of .mo files
    if ($q_config['auto_update_mo']) {
        qtranxf_updateGettextDatabases(true, $lang);
    }
    qtranxf_load_languages_enabled();
    return true;
}

function qtranxf_updateGettextDatabasesEx($force = false, $only_for_language = '')
{
    global $q_config;
    if ($only_for_language && !qtranxf_isEnabled($only_for_language)) {
        return false;
    }
    if (!is_dir(WP_LANG_DIR)) {
        if (!@mkdir(WP_LANG_DIR)) {
            return false;
        }
    }
    $next_update = get_option('qtranslate_next_update_mo');
    if (time() < $next_update && !$force) {
        return true;
    }
    update_option('qtranslate_next_update_mo', time() + 7 * 24 * 60 * 60);
    require_once ABSPATH . 'wp-admin/includes/translation-install.php';
    require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    include ABSPATH . WPINC . '/version.php';
    // include an unmodified $wp_version
    $result = translations_api('core', array('version' => $wp_version));
    if (is_wp_error($result)) {
        return $result;
    } else {
        foreach ($result['translations'] as $translation) {
            $locale = substr($translation['language'], 0, 2);
            if (isset($q_config['locale'][$locale]) && $q_config['locale'][$locale] == $translation['language'] && qtranxf_isEnabled($locale)) {
                $translation = (object) $translation;
                $skin = new Automatic_Upgrader_Skin();
                $upgrader = new Language_Pack_Upgrader($skin);
                $translation->type = 'core';
                $result = $upgrader->upgrade($translation, array('clear_update_cache' => false));
            }
        }
        return true;
    }
}

/**
 * Encode URL $url with language $lang.
 * @param (string) $url URL to be converted.
 * @param (string) $lang two-letter language code of the language to convert $url to.
 * @param (bool) $forceadmin $url is not converted on admin side, unless $forceadmin is set to true.
 * @param (bool) $showDefaultLanguage When set to true, $url is always encoded with a language, otherwise it senses option "Hide URL language information for default language" to keep $url consistent with the currently active language.
 *
 * If you need a URL to switch the language, set $showDefaultLanguage=true, if you need a URL to keep the current language, set it to false.
 */
function qtranxf_convertURL($url = '', $lang = '', $forceadmin = false, $showDefaultLanguage = false)
{
    global $q_config;
    if (empty($lang)) {
        $lang = $q_config['language'];
    }
    if (empty($url)) {
        if ($q_config['url_info']['doing_front_end'] && defined('QTS_VERSION') && $q_config['url_mode'] != QTX_URL_QUERY) {
            //quick workaround, but need a permanent solution
            $url = qts_get_url($lang);
            //qtranxf_dbg_log('qtranxf_convertURL: qts_get_url: url=', $url);
            if (!empty($url)) {
                if ($showDefaultLanguage && $q_config['hide_default_language'] && $lang == $q_config['default_language']) {
                    $url = qtranxf_convertURL($url, $lang, $forceadmin, true);
                }
                return $url;
            }
        }
        //$url = esc_url($q_config['url_info']['url']);
    }
    if (!$q_config['url_info']['doing_front_end'] && !$forceadmin) {
        return $url;
    }
    if (!qtranxf_isEnabled($lang)) {
        return '';
    }
    if (!$showDefaultLanguage) {
        $showDefaultLanguage = !$q_config['hide_default_language'];
    }
    $showLanguage = $showDefaultLanguage || $lang != $q_config['default_language'];
    //qtranxf_dbg_log('qtranxf_convertURL('.$url.','.$lang.'): showLanguage=',$showLanguage);
    $complete = qtranxf_get_url_for_language($url, $lang, $showLanguage);
    //qtranxf_dbg_log('qtranxf_convertURL: complete: ',$complete);
    return $complete;
}

//.........这里部分代码省略.........
        $lang = $_GET['edit'];
        $original_lang = $lang;
        $language_code = $lang;
        //$langs = $q_config;
        $langs = array();
        qtranxf_languages_configured($langs);
        $language_name = isset($langs['language_name'][$lang]) ? $langs['language_name'][$lang] : '';
        $language_locale = isset($langs['locale'][$lang]) ? $langs['locale'][$lang] : '';
        $language_date_format = isset($langs['date_format'][$lang]) ? $langs['date_format'][$lang] : '';
        $language_time_format = isset($langs['time_format'][$lang]) ? $langs['time_format'][$lang] : '';
        $language_na_message = isset($langs['not_available'][$lang]) ? $langs['not_available'][$lang] : '';
        $language_flag = isset($langs['flag'][$lang]) ? $langs['flag'][$lang] : '';
    } elseif (isset($_GET['delete'])) {
        $lang = $_GET['delete'];
        // validate delete (protect code)
        //if($q_config['default_language']==$lang) $error = 'Cannot delete Default Language!';
        //if(!isset($q_config['language_name'][$lang])||strtolower($lang)=='code') $error = __('No such language!', 'qtranslate');
        if (empty($error)) {
            // everything seems fine, delete language
            $error = qtranxf_deleteLanguage($lang);
        }
    } elseif (isset($_GET['enable'])) {
        $lang = $_GET['enable'];
        // enable validate
        if (!qtranxf_enableLanguage($lang)) {
            $error = __('Language is already enabled or invalid!', 'qtranslate');
        }
    } elseif (isset($_GET['disable'])) {
        $lang = $_GET['disable'];
        // enable validate
        if ($lang == $q_config['default_language']) {
            $error = __('Cannot disable Default Language!', 'qtranslate');
        }
        if (!qtranxf_isEnabled($lang)) {
            if (!isset($q_config['language_name'][$lang])) {
                $error = __('No such language!', 'qtranslate');
            }
        }
        // everything seems fine, disable language
        if ($error == '' && !qtranxf_disableLanguage($lang)) {
            $error = __('Language is already disabled!', 'qtranslate');
        }
    } elseif (isset($_GET['moveup'])) {
        $languages = qtranxf_getSortedLanguages();
        $msg = __('No such language!', 'qtranslate');
        foreach ($languages as $key => $language) {
            if ($language != $_GET['moveup']) {
                continue;
            }
            if ($key == 0) {
                $msg = __('Language is already first!', 'qtranslate');
                break;
            }
            $languages[$key] = $languages[$key - 1];
            $languages[$key - 1] = $language;
            $q_config['enabled_languages'] = $languages;
            $msg = __('New order saved.', 'qtranslate');
            break;
        }
        $message[] = $msg;
    } elseif (isset($_GET['movedown'])) {
        $languages = qtranxf_getSortedLanguages();
        $msg = __('No such language!', 'qtranslate');
        foreach ($languages as $key => $language) {
            if ($language != $_GET['movedown']) {
                continue;

function qtranxf_use_block($lang, $blocks, $show_available = false, $show_empty = false)
{
    global $q_config;
    $available_langs = array();
    //$content = qtranxf_split_blocks($blocks);
    $content = qtranxf_split_blocks($blocks, $available_langs);
    //qtranxf_dbg_log('qtranxf_use_block: $available_langs: ',$available_langs);
    // if content is available show the content in the requested language
    //if(!empty($content[$lang])) return $content[$lang];
    if (!empty($available_langs[$lang])) {
        return $content[$lang];
    } elseif ($show_empty) {
        return '';
    }
    // content is not available in requested language (bad!!) what now?
    // find available and alternative languages
    //if(empty($content[$q_config['default_language']])){
    if (empty($available_langs[$q_config['default_language']])) {
        $alt_lang = null;
        $alt_content = null;
        $alt_lang_is_default = false;
        foreach ($available_langs as $language => $b) {
            if (!qtranxf_isEnabled($language)) {
                continue;
            }
            $alt_lang = $language;
            $alt_content = $content[$language];
            break;
        }
    } else {
        $alt_lang = $q_config['default_language'];
        $alt_content = $content[$alt_lang];
        $alt_lang_is_default = true;
    }
    /*
    	$available_languages = array();
    	foreach($content as $language => $lang_text) {
    		if(empty($lang_text)) continue;
    		if(!qtranxf_isEnabled($language)) continue;
    		$available_languages[] = $language;
    		if(empty($alt_lang)){
    			$alt_lang = $language;
    			$alt_content = $lang_text;
    		}
    	}
    */
    if (!$alt_lang) {
        return '';
    }
    if (!$show_available) {
        if ($q_config['show_displayed_language_prefix']) {
            return '(' . $q_config['language_name'][$alt_lang] . ') ' . $alt_content;
        } else {
            return $alt_content;
        }
    }
    //qtranxf_dbg_log('$alt_content=',$alt_content);
    // display selection for available languages
    $language_list = '';
    if (preg_match('/%LANG:([^:]*):([^%]*)%/', $q_config['not_available'][$lang], $match)) {
        $normal_separator = $match[1];
        $end_separator = $match[2];
        // build available languages string backward
        $translations = get_translations_for_domain('qtranslate');
        $english_names = qtranxf_default_windows_locale();
        //todo: load enabled only
        $i = 0;
        //foreach($available_languages as $language) {
        foreach ($available_langs as $language => $b) {
            if ($i == 1) {
                $language_list = $end_separator . $language_list;
            } elseif ($i > 1) {
                $language_list = $normal_separator . $language_list;
            }
            if (!empty($english_names[$language]) && isset($translations->entries[$english_names[$language]])) {
                $language_name = $translations->entries[$english_names[$language]]->translations[0];
            } else {
                $language_name = $q_config['language_name'][$language];
            }
            $language_list = '<a href="' . qtranxf_convertURL('', $language, false, true) . '" class="qtranxs-available-language-link qtranxs-available-language-link-' . $language . '">' . $language_name . '</a>' . $language_list;
            ++$i;
        }
    }
    //qtranxf_dbg_log('$language_list=',$language_list);
    $msg = '';
    if (!empty($q_config['show_alternative_content']) && $q_config['show_alternative_content']) {
        // show content in  alternative language
        //if(sizeof($available_languages) > 1){
        if (sizeof($available_langs) > 1) {
            if ($alt_lang_is_default) {
                //$fmt = __('For the sake of viewer convenience, the content is shown below in this site default language %s.', 'qtranslate');
                $msg = __('For the sake of viewer convenience, the content is shown below in this site default language.', 'qtranslate');
            } else {
                //$fmt = __('For the sake of viewer convenience, the content is shown below in an available alternative language %s.', 'qtranslate');
                $msg = __('For the sake of viewer convenience, the content is shown below in one of the available alternative languages.', 'qtranslate');
            }
            //$msg = sprintf($fmt, '<a href="'.qtranxf_convertURL('', $language, false, true).'">'.$q_config['language_name'][$alt_lang].'</a>');
            $msg .= ' ' . __('You may click one of the links to switch the site language to another available language.', 'qtranslate');
        } else {
            $msg = __('For the sake of viewer convenience, the content is shown below in the alternative language.', 'qtranslate');
//.........这里部分代码省略.........

function qtranxf_updateSetting($var, $type = QTX_STRING, $def = null)
{
    global $q_config, $qtranslate_options;
    if (!isset($_POST['submit'])) {
        return false;
    }
    if (!isset($_POST[$var]) && $type != QTX_BOOLEAN) {
        return false;
    }
    if (is_null($def) && isset($qtranslate_options['default_value'][$var])) {
        $def = $qtranslate_options['default_value'][$var];
    }
    if (is_string($def) && function_exists($def)) {
        $def = call_user_func($def);
    }
    switch ($type) {
        case QTX_URL:
        case QTX_LANGUAGE:
        case QTX_STRING:
            $val = sanitize_text_field($_POST[$var]);
            if ($type == QTX_URL) {
                $val = trailingslashit($val);
            } else {
                if ($type == QTX_LANGUAGE && !qtranxf_isEnabled($val)) {
                    return false;
                }
            }
            if (isset($q_config[$var])) {
                if ($q_config[$var] === $val) {
                    return false;
                }
            } elseif (!is_null($def)) {
                if (empty($val) || $def === $val) {
                    return false;
                }
            }
            if (empty($val) && $def) {
                $val = $def;
            }
            $q_config[$var] = $val;
            qtranxf_update_option($var, $def);
            return true;
        case QTX_TEXT:
            $val = $_POST[$var];
            //standardize multi-line string
            $lns = preg_split('/\\r?\\n\\r?/', $val);
            foreach ($lns as $key => $ln) {
                $lns[$key] = sanitize_text_field($ln);
            }
            $val = implode(PHP_EOL, $lns);
            //qtranxf_dbg_log('qtranxf_updateSetting:QTX_TEXT: $_POST[$var]:'.PHP_EOL, $_POST[$var]);
            //qtranxf_dbg_log('qtranxf_updateSetting:QTX_TEXT: $val:'.PHP_EOL, $val);
            if (isset($q_config[$var])) {
                if ($q_config[$var] === $val) {
                    return false;
                }
            } elseif (!is_null($def)) {
                if (empty($val) || $def === $val) {
                    return false;
                }
            }
            if (empty($val) && $def) {
                $val = $def;
            }
            $q_config[$var] = $val;
            qtranxf_update_option($var, $def);
            return true;
        case QTX_ARRAY:
            $val = $_POST[$var];
            if (!is_array($_POST[$var])) {
                $val = sanitize_text_field($val);
                $val = preg_split('/[\\s,]+/', $val, null, PREG_SPLIT_NO_EMPTY);
            }
            if (empty($val) && !is_null($def)) {
                if (is_string($def)) {
                    $val = preg_split('/[\\s,]+/', $def, null, PREG_SPLIT_NO_EMPTY);
                } else {
                    if (is_array($def)) {
                        $val = $def;
                    }
                }
            }
            if (isset($q_config[$var]) && qtranxf_array_compare($q_config[$var], $val)) {
                return false;
            }
            $q_config[$var] = $val;
            qtranxf_update_option($var, $def);
            return true;
        case QTX_BOOLEAN:
            if (isset($_POST[$var]) && $_POST[$var] == 1) {
                if ($q_config[$var]) {
                    return false;
                }
                $q_config[$var] = true;
            } else {
                if (!$q_config[$var]) {
                    return false;
                }
                $q_config[$var] = false;
            }
//.........这里部分代码省略.........

function qtranxf_getLanguageName($lang = '')
{
    global $q_config;
    if ($lang == '' || !qtranxf_isEnabled($lang)) {
        $lang = $q_config['language'];
    }
    return $q_config['language_name'][$lang];
}

 public function prepare_items()
 {
     global $q_config;
     if (isset($_GET['orderby'])) {
         $this->_orderby = $_GET['orderby'];
     } else {
         $this->_orderby = $_GET['orderby'] = 'name';
     }
     $langs_preset = qtranxf_langs_preset();
     $langs_stored = qtranxf_langs_stored($langs_preset);
     $langs_config = qtranxf_langs_config($langs_preset, $langs_stored);
     $this->_order = isset($_GET['order']) && 'desc' == $_GET['order'] ? -1 : +1;
     $flag_location_url = qtranxf_flag_location();
     $flag_location_dir = trailingslashit(WP_CONTENT_DIR) . $q_config['flag_location'];
     $flag_location_url_def = content_url(qtranxf_flag_location_default());
     $clean_uri = $this->_clean_uri;
     $data = array();
     foreach ($langs_config as $lang => $props) {
         $locale = $props['locale'];
         $flag = $props['flag'];
         //$flags[$lang];
         if (file_exists($flag_location_dir . $flag)) {
             $flag_url = $flag_location_url . $flag;
         } else {
             $flag_url = $flag_location_url_def . $flag;
         }
         $lang_name = $props['language_name'];
         //native name
         $admin_name = qtranxf_getLanguageName($lang, $locale, $lang_name);
         //name translated to admin language
         $action = qtranxf_isEnabled($lang) ? $q_config['default_language'] == $lang ? __('Default', 'qtranslate') : __('Disable', 'qtranslate') : __('Enable', 'qtranslate');
         $stored = empty($props['stored']) ? __('Pre-Defined', 'qtranslate') : (isset($langs_preset[$lang]) ? __('Reset', 'qtranslate') : __('Delete', 'qtranslate'));
         switch ($this->_orderby) {
             default:
             case 'locale':
                 $orderby = $locale;
                 break;
             case 'code':
                 $orderby = $lang;
                 break;
             case 'flag':
                 $orderby = $lang_name;
                 break;
             case 'name':
                 $orderby = $admin_name;
                 break;
             case 'action':
                 $orderby = $action;
                 break;
             case 'stored':
                 $orderby = $stored;
                 break;
         }
         $edit_url = $clean_uri . '&edit=' . $lang;
         $atitle = __('Edit', 'qtranslate') . ' ' . $lang_name . ' (' . $locale . ')';
         $data[] = array('locale' => $locale, 'code' => $lang, 'flag' => '<a href="' . $edit_url . '" title="' . $atitle . '"><img src="' . $flag_url . '" alt="' . sprintf(__('%s Flag', 'qtranslate'), $lang_name) . '"></a>', 'name' => '<a href="' . $edit_url . '" title="' . $atitle . '">' . $admin_name . '</a>', 'action' => qtranxf_isEnabled($lang) ? $q_config['default_language'] == $lang ? $action : '<a class="edit" href="' . $clean_uri . '&disable=' . $lang . '#languages">' . $action . '</a>' : '<a class="edit" href="' . $clean_uri . '&enable=' . $lang . '#languages">' . $action . '</a>', 'stored' => empty($props['stored']) ? $stored : '<a class="delete" href="' . $clean_uri . '&delete=' . $lang . '#languages">' . $stored . '</a>', 'admin_name' => $admin_name, 'orderby' => $orderby);
     }
     uasort($data, array($this, 'compare_items'));
     $this->items = $data;
 }

function qtranxf_migrate_import_qtranslate_slug($default_language)
{
    //$q_config is not yet available
    global $wpdb;
    //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: ');
    $nm = '<a href="https://wordpress.org/plugins/qtranslate-slug/" target="_blank"><span style="color:blue"><strong>QTranslate Slug</strong></span></a>';
    $wpdb->show_errors();
    @set_time_limit(0);
    $qts_options = get_option('qts_options');
    if (!empty($qts_options)) {
        //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: $qts_options: ', $qts_options);
        if (is_array($qts_options)) {
            foreach ($qts_options as $k => $v) {
            }
        } else {
            qtranxf_error_log(sprintf(__('Failed to import options from plugin %s.', 'qtranslate'), $nm));
        }
    }
    $sql = 'SELECT ID, post_name, post_type, post_parent, meta_key, meta_value FROM ' . $wpdb->postmeta . ' as m INNER JOIN ' . $wpdb->posts . ' as p ON p.ID = m.post_id WHERE p.post_status = "publish" AND p.post_name != "" AND m.meta_key LIKE "_qts_slug___" AND m.meta_value IS NOT NULL';
    $sql .= ' AND NOT EXISTS (SELECT * FROM ' . $wpdb->prefix . 'i18n_slugs WHERE name = p.post_name AND lang = MID(m.meta_key,11))';
    $result = $wpdb->get_results($sql);
    //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: $result: ', $result);
    //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: count($result): ', count($result));
    if (!is_array($result)) {
        qtranxf_error_log(sprintf(__('Failed to import data from plugin %s.', 'qtranslate'), $nm) . ' ' . sprintf(__('It might be a good idea to review %smigration instructions%s, if you have not yet done so.', 'qtranslate'), '<a href="https://qtranslatexteam.wordpress.com/migration/" target="_blank">', '</a>'));
        return;
    }
    foreach ($result as $row) {
        $name = $row->post_name;
        if (empty($name)) {
            continue;
        }
        $slug = $row->meta_value;
        if (empty($slug)) {
            continue;
        }
        $lang = substr($row->meta_key, -2);
        if ($lang != $default_language) {
            continue;
        }
        if ($slug == $name) {
            continue;
        }
        //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: default language $slug('.$slug.') != $name('.$name.')');
        $slug = wp_unique_post_slug($slug, $row->ID, 'publish', $row->post_type, $row->post_parent);
        $wpdb->query($wpdb->prepare('UPDATE ' . $wpdb->posts . ' SET post_name = %s WHERE ID = %d', $slug, $row->ID));
        $row->post_name = $row->meta_value = $slug;
    }
    $cnt = 0;
    $cnt_renamed = 0;
    $lst = '';
    $sql = 'INSERT INTO ' . $wpdb->prefix . 'i18n_slugs (slug, lang, name) VALUES (%s, %s, %s)';
    foreach ($result as $row) {
        $lang = substr($row->meta_key, -2);
        if ($lang == $default_language) {
            continue;
        }
        $name = $row->post_name;
        if (empty($name)) {
            continue;
        }
        $slug = $row->meta_value;
        if (empty($slug)) {
            continue;
        }
        if (!qtranxf_isEnabled($lang)) {
            continue;
        }
        $slug = qtranxf_slug_unique($row->meta_value, $lang, $name);
        if ($slug != $row->meta_value) {
            $lst .= $row->ID . '\\t' . $name . '\\t' . $lang . '\\t' . $row->meta_value . ' => ' . $slug . PHP_EOL;
            ++$cnt_renamed;
        }
        //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: $lang='.$lang.'; row: ', $row);
        $query = $wpdb->prepare($sql, $slug, $lang, $row->post_name);
        $wpdb->query($query);
        ++$cnt;
    }
    $msg = '';
    if ($cnt != 0) {
        $msg .= sprintf(__('Applicable options and slug data from plugin %s have been imported.', 'qtranslate'), $nm);
    }
    //if(!empty($lst))){
    $upload_dir = wp_upload_dir();
    //qtranxf_dbg_log('qtranxf_migrate_import_qtranslate_slug: upload_dir: ',$upload_dir);
    $fnm = '/qts-qtx-report-of-renamed.log';
    $fn = $upload_dir['basedir'] . $fnm;
    //[01-Nov-2015 02:21:57 UTC]
    error_log(date('[d-M-Y H:i:s T]') . ': Slugs renamed during import:' . PHP_EOL . "Post_ID\tpost_name\tLANG\tQtranslate Slug => qTranslate-X Slug" . PHP_EOL . $lst . PHP_EOL, 3, $fn);
    $url = $upload_dir['baseurl'] . $fnm;
    $msg .= ' ' . sprintf(__('A number of post slugs have had to be renamed in order to provide uniqueness. The report of renamed slugs is saved in the file "%s".', 'qtranslate'), '<a href="' . $url . ' target="_blank">' . $url . '</a>');
    //}
    if (!empty($msg)) {
        $msg .= ' ' . sprintf(__('It might be a good idea to review %smigration instructions%s, if you have not yet done so.', 'qtranslate'), '<a href="https://qtranslatexteam.wordpress.com/migration/" target="_blank">', '</a>');
        qtranxf_add_message($msg);
    }
}

function qts_service()
{
    global $q_config, $qts_public_key, $qts_error_messages;
    if (!isset($_REQUEST['post'])) {
        echo '<script type="text/javascript">document.location="edit.php";</script>';
        printf(__('To translate a post, please go to the <a href="%s">edit posts overview</a>.', 'qtranslate'), 'edit.php');
        exit;
    }
    $post_id = intval($_REQUEST['post']);
    $confirm = isset($_GET['confirm']) ? true : false;
    $translate_from = '';
    $translate_to = '';
    $translate_from_name = '';
    $translate_to_name = '';
    if (isset($_REQUEST['source_language']) && qtranxf_isEnabled($_REQUEST['source_language'])) {
        $translate_from = $_REQUEST['source_language'];
    }
    if (isset($_REQUEST['target_language']) && qtranxf_isEnabled($_REQUEST['target_language'])) {
        $translate_to = $_REQUEST['target_language'];
    }
    if ($translate_to == $translate_from) {
        $translate_to = '';
    }
    $p = get_post($post_id);
    $post =& $p;
    if (!$post) {
        printf(__('Post with id "%s" not found!', 'qtranslate'), $post_id);
        return;
    }
    $default_service = intval(get_option('qts_default_service'), 5);
    $service_settings = get_option('qts_service_settings');
    // Detect available Languages and possible target languages
    $available_languages = qtranxf_getAvailableLanguages($post->post_content);
    if ($available_languages === FALSE && !empty($post->post_content)) {
        $available_languages = array($q_config['default_language']);
    }
    if ($available_languages === FALSE || sizeof($available_languages) == 0) {
        $error = __('The requested Post has no content, no Translation possible.', 'qtranslate');
    }
    // try to guess source and target language
    if (!in_array($translate_from, $available_languages)) {
        $translate_from = '';
    }
    $missing_languages = array_diff($q_config['enabled_languages'], $available_languages);
    if (empty($translate_from) && in_array($q_config['default_language'], $available_languages) && $translate_to != $q_config['default_language']) {
        $translate_from = $q_config['default_language'];
    }
    if (empty($translate_to) && sizeof($missing_languages) == 1) {
        $translate_to = $missing_languages[0];
    }
    if (in_array($translate_to, $available_languages)) {
        $message = __('The Post already has content for the selected target language. If a translation request is send, the current text for the target language will be overwritten.', 'qtranslate');
    }
    if (sizeof($available_languages) == 1) {
        if ($available_languages[0] == $translate_to) {
            unset($translate_to);
        }
        $translate_from = $available_languages[0];
    } elseif ($translate_from == '' && sizeof($available_languages) > 1) {
        $languages = qtranxf_getSortedLanguages();
        foreach ($languages as $language) {
            if ($language != $translate_to && in_array($language, $available_languages)) {
                $translate_from = $language;
                break;
            }
        }
    }
    // link to current page with get variables
    $url_link = add_query_arg('post', $post_id);
    if (!empty($translate_to)) {
        $url_link = add_query_arg('target_language', $translate_to, $url_link);
    }
    if (!empty($translate_from)) {
        $url_link = add_query_arg('source_language', $translate_from, $url_link);
    }
    // get correct title and content
    $post_title = qtranxf_use($translate_from, $post->post_title);
    $post_content = qtranxf_use($translate_from, $post->post_content);
    $post_excerpt = qtranxf_use($translate_from, $post->post_excerpt);
    if (!empty($translate_from)) {
        $translate_from_name = $q_config['language_name'][$translate_from];
    }
    if (!empty($translate_to)) {
        $translate_to_name = $q_config['language_name'][$translate_to];
    }
    $post_title_html = htmlspecialchars($post_title);
    $permalink = get_permalink($post_id);
    if ($permalink) {
        if ($translate_from_name) {
            $permalink = qtranxf_convertURL($translate_from_name, $permalink);
        }
        $post_title_html = '<a href="' . $permalink . '" target="_blank">' . $post_title_html . '</a>';
    }
    if (!empty($translate_from) && !empty($translate_to)) {
        $title = sprintf('Translate &quot;%1$s&quot; from %2$s to %3$s', $post_title_html, $translate_from_name, $translate_to_name);
    } elseif (!empty($translate_from)) {
        $title = sprintf('Translate &quot;%1$s&quot; from %2$s', $post_title_html, $translate_from_name);
    } else {
        $title = sprintf('Translate &quot;%1$s&quot;', $post_title_html);
    }
//.........这里部分代码省略.........

function qtranxf_use_block($lang, $blocks, $show_available = false, $show_empty = false)
{
    global $q_config;
    $content = qtranxf_split_blocks($blocks);
    // if content is available show the content in the requested language
    if (!empty($content[$lang])) {
        return $content[$lang];
    } elseif ($show_empty) {
        return '';
    }
    // content is not available in requested language (bad!!) what now?
    // find available and alternative languages
    if (empty($content[$q_config['default_language']])) {
        $alt_lang = null;
        $alt_content = null;
        $alt_lang_is_default = false;
    } else {
        $alt_lang = $q_config['default_language'];
        $alt_content = $content[$alt_lang];
        $alt_lang_is_default = true;
    }
    $available_languages = array();
    foreach ($content as $language => $lang_text) {
        if (empty($lang_text)) {
            continue;
        }
        if (!qtranxf_isEnabled($language)) {
            continue;
        }
        $available_languages[] = $language;
        if (empty($alt_lang)) {
            $alt_lang = $language;
            $alt_content = $lang_text;
        }
    }
    if (!$alt_lang) {
        return '';
    }
    if (!$show_available) {
        if ($q_config['show_displayed_language_prefix']) {
            return '(' . $q_config['language_name'][$alt_lang] . ') ' . $alt_content;
        } else {
            return $alt_content;
        }
        /*
        	// check if content is available in default language, if not return first language found. (prevent empty result)
        	$language = $q_config['default_language'];
        	if(!isset($available_languages[$language])){
        		
        	}
        	if($lang!=$q_config['default_language']){
        		$language = $q_config['default_language'];
        		$lang_text = $content[$language];
        		//$lang_text = trim($lang_text);
        		if(!empty($lang_text)){
        			if ($q_config['show_displayed_language_prefix'])
        				return '('.$q_config['language_name'][$language].') '.$lang_text;
        			else
        				return $lang_text;
        		}
        	}
        	foreach($content as $language => $lang_text) {
        		$lang_text = trim($lang_text);
        		if(empty($lang_text)) continue;
        		if ($q_config['show_displayed_language_prefix'])
        			return '('.$q_config['language_name'][$language].') '.$lang_text;
        		else
        			return $lang_text;
        	}
        */
    }
    // display selection for available languages
    //$available_languages = array_unique($available_languages);
    $language_list = '';
    if (preg_match('/%LANG:([^:]*):([^%]*)%/', $q_config['not_available'][$lang], $match)) {
        $normal_separator = $match[1];
        $end_separator = $match[2];
        // build available languages string backward
        $i = 0;
        foreach ($available_languages as $language) {
            if ($i == 1) {
                $language_list = $end_separator . $language_list;
            }
            if ($i > 1) {
                $language_list = $normal_separator . $language_list;
            }
            $language_list = '<a href="' . qtranxf_convertURL('', $language, false, true) . '">' . $q_config['language_name'][$language] . '</a>' . $language_list;
            ++$i;
        }
    }
    //qtranxf_dbg_echo('$language_list=',$language_list,true);
    //if(isset($post)){
    //	//qtranxf_dbg_echo('$post='.$post);
    //}
    if (!empty($q_config['show_alternative_content']) && $q_config['show_alternative_content']) {
        // show content in  alternative language
        if (sizeof($available_languages) > 1) {
            if ($alt_lang_is_default) {
                //$fmt = __('For the sake of viewer convenience, the content is shown below in this site default language %s.', 'qtranslate');
                $msg = __('For the sake of viewer convenience, the content is shown below in this site default language.', 'qtranslate');
//.........这里部分代码省略.........

 function language_isenabled($language = null)
 {
     $enabled = false;
     if (!empty($language)) {
         global $slideshow_languageplugin, ${'slideshow_languageenabled_' . $language};
         if (!empty(${'slideshow_languageenabled_' . $language})) {
             return ${'slideshow_languageenabled_' . $language};
         }
         switch ($slideshow_languageplugin) {
             case 'qtranslate':
                 $enabled = qtrans_isEnabled($language);
                 break;
             case 'qtranslate-x':
                 $enabled = qtranxf_isEnabled($language);
                 break;
             case 'wpml':
                 if (function_exists('icl_get_languages')) {
                     $languages = icl_get_languages();
                     if (!empty($languages[$language])) {
                         $enabled = true;
                     }
                 }
                 break;
         }
     }
     ${'slideshow_languageenabled_' . $language} = $enabled;
     return $enabled;
 }

function qtranxf_use_block($lang, $blocks, $show_available = false, $show_empty = false)
{
    global $q_config;
    //qtranxf_dbg_log('qtranxf_use_language('.$lang.') $text: ', $text);
    //qtranxf_dbg_log('qtranxf_use_language: $blocks: ', $blocks);
    $available_langs = array();
    $content = qtranxf_split_blocks($blocks, $available_langs);
    //qtranxf_dbg_log('qtranxf_use_block: $content: ',$content);
    //qtranxf_dbg_log('qtranxf_use_block: $available_langs: ',$available_langs);
    // if content is available show the content in the requested language
    if (!empty($available_langs[$lang])) {
        return $content[$lang];
    } elseif ($show_empty) {
        return '';
    }
    // content is not available in requested language (bad!!) what now?
    //remove available languages that are not enabled
    foreach ($available_langs as $language => $b) {
        if (qtranxf_isEnabled($language)) {
            continue;
        }
        unset($available_langs[$language]);
    }
    // set alternative language
    if (empty($available_langs[$q_config['default_language']])) {
        $alt_lang = null;
        $alt_content = null;
        $alt_lang_is_default = false;
        foreach ($available_langs as $language => $b) {
            $alt_lang = $language;
            $alt_content = $content[$language];
            break;
        }
    } else {
        $alt_lang = $q_config['default_language'];
        $alt_content = $content[$alt_lang];
        $alt_lang_is_default = true;
    }
    if (!$alt_lang) {
        return '';
    }
    if (!$show_available) {
        if ($q_config['show_displayed_language_prefix']) {
            return '(' . $q_config['language_name'][$alt_lang] . ') ' . $alt_content;
        } else {
            return $alt_content;
        }
    }
    //qtranxf_dbg_log('$alt_content=',$alt_content);
    // display selection for available languages
    $language_list = '';
    if (preg_match('/%LANG:([^:]*):([^%]*)%/', $q_config['not_available'][$lang], $match)) {
        $normal_separator = $match[1];
        $end_separator = $match[2];
        if (!is_textdomain_loaded('language-names')) {
            //is not loaded by default, since this place should not be hit frequently
            $locale = $q_config['locale'][$q_config['language']];
            load_textdomain('language-names', QTRANSLATE_DIR . '/lang/language-names/language-' . $locale . '.mo');
        }
        $translations = get_translations_for_domain('language-names');
        // build available languages string backward
        $i = 0;
        foreach ($available_langs as $language => $b) {
            if ($i == 1) {
                $language_list = $end_separator . $language_list;
            } elseif ($i > 1) {
                $language_list = $normal_separator . $language_list;
            }
            $locale = $q_config['locale'][$language];
            while (!isset($translations->entries[$locale])) {
                if ($locale[2] == '_') {
                    $locale = substr($locale, 0, 2);
                    if (isset($translations->entries[$locale])) {
                        break;
                    }
                }
                $locale = null;
                break;
            }
            if ($locale) {
                $language_name = $translations->entries[$locale]->translations[0];
                $language_name = mb_convert_case($language_name, MB_CASE_TITLE);
            } else {
                $language_name = $q_config['language_name'][$language];
            }
            $language_list = '&ldquo;<a href="' . qtranxf_convertURL('', $language, false, true) . '" class="qtranxs-available-language-link qtranxs-available-language-link-' . $language . '">' . $language_name . '</a>&rdquo;' . $language_list;
            ++$i;
        }
    }
    //qtranxf_dbg_log('$language_list=',$language_list);
    $msg = '';
    if (!empty($q_config['show_alternative_content']) && $q_config['show_alternative_content']) {
        // show content in  alternative language
        if (sizeof($available_langs) > 1) {
            if ($alt_lang_is_default) {
                //$fmt = __('For the sake of viewer convenience, the content is shown below in this site default language %s.', 'qtranslate');
                $msg = __('For the sake of viewer convenience, the content is shown below in this site default language.', 'qtranslate');
            } else {
                //$fmt = __('For the sake of viewer convenience, the content is shown below in an available alternative language %s.', 'qtranslate');
                $msg = __('For the sake of viewer convenience, the content is shown below in one of the available alternative languages.', 'qtranslate');
//.........这里部分代码省略.........