/** * Check if the given text label exists * * @param string $name Label name * @param string $domain Label domain (plugin) name or '*' for all domains * @param string $ref_domain Sets domain name if label is found * * @return boolean True if text exists (either in the current language or in en_US) */ public function text_exists($name, $domain = null, &$ref_domain = null) { // load localization files if not done yet if (empty($this->texts)) { $this->load_language(); } if (isset($this->texts[$name])) { $ref_domain = ''; return true; } // any of loaded domains (plugins) if ($domain == '*') { foreach ($this->plugins->loaded_plugins() as $domain) { if (isset($this->texts[$domain . '.' . $name])) { $ref_domain = $domain; return true; } } } else { if ($domain) { $ref_domain = $domain; return isset($this->texts[$domain . '.' . $name]); } } return false; }