PHP Avada::set_language_is_all示例

 /**
  * Sets the active language
  *
  * @param string|bool
  */
 public static function set_active_language($lang = false)
 {
     if (is_string($lang) && !empty($lang)) {
         self::$active_language = $lang;
     }
     // If we have not defined a language, then autodetect
     if (false == $lang || empty($lang)) {
         // No need to proceed if both WPML & PLL are inactive
         if (!self::$is_pll && !self::$is_wpml) {
             return 'en';
         }
         // Preliminary work for PLL.
         // Adds the WPML compatibility layer.
         if (self::$is_pll && function_exists('pll_define_wpml_constants')) {
             pll_define_wpml_constants();
         }
         // PLL-WPML compatibility is active, we can now work easier.
         if (defined('ICL_LANGUAGE_CODE')) {
             self::$active_language = ICL_LANGUAGE_CODE;
             if ('all' == ICL_LANGUAGE_CODE) {
                 Avada::set_language_is_all(true);
                 if (self::$is_wpml) {
                     global $sitepress;
                     self::$active_language = $sitepress->get_default_language();
                 } elseif (self::$is_pll) {
                     self::$active_language = pll_default_language('slug');
                 }
             }
         }
     }
 }