Redirect depending on selected language

I’m trying to write a function to redirect upon woocommerce login, depending on the currently selected language. However, I’m not familiar with PHP. Should this work Polylang?

function filter_woocommerce_login_redirect( $redirect, $user ) { 
    let $current_language;
    if ( function_exists('pll_current_language') ) {
        $current_language = pll_current_language(locale);
    }

    let $redirect = '/foo-one/';
    if ( $current_language == 'fr' ) {
        $redirect = '/foo-two/';
    } else if ( $current_language == 'es' ) {
        $redirect = '/foo-three/';
    }

    return $redirect; 
};