Core/Language/LanguageStorage.php
public function getText($key)
    {
        if (isset($this->data[$key])) {
            return $this->data[$key];
        }

        return $key;
    }
public function getText($key)
    {
        if (isset($this->data[$key])) {
            return $this->data[$key];
        }

        return $key;
    }
public function getText ( $ key ) { if ( isset ( $ this -> data [ $ key ] ) ) { return $ this -> data [ $ key ] ; } return $ key ; }
Returns a language string by looking for a matching key

Will return the key when no machting entry is found.

@param string $key
The key to get text for

@return string
Returns a language string by looking for a matching key