calculadora-inverlec/assets/grocery_crud/config/language_alias.php

<?php

$language_alias = array(
    'afrikaans'         => 'af',
    'arabic'            => 'ar',
    'bengali'           => 'bn', // Timepicker is not avaliable yet
    'bulgarian'         => 'bg',
    'chinese'           => 'zh-cn',
    'czech'             => 'cs',
    'danish'            => 'da', // Timepicker is not avaliable yet
    'dutch'             => 'nl',
    'french'            => 'fr',
    'german'            => 'de',
    'greek'             => 'el',
    'hungarian'         => 'hu',
    'indonesian'        => 'id',
    'italian'           => 'it',
    'japanese'          => 'ja',
    'korean'            => 'ko',
    'norwegian'         => 'no',
    'persian'           => 'fa', // Timepicker is not avaliable yet
    'polish'            => 'pl',
    'pt-br.portuguese'  => 'pt-br',
    'pt-pt.portuguese'  => 'pt',
    'romanian'          => 'ro',
    'russian'           => 'ru',
    'slovak'            => 'sk',
    'spanish'           => 'es',
    'thai'              => 'th', // Timepicker is not avaliable yet
    'turkish'           => 'tr',
    'ukrainian'         => 'uk',
    'vietnamese'        => 'vi'
);