Translatepress custom language switcher shortcode

custom-languge-swicther-schortcode.php

<?php
/*
 * Custom language switcher shortcode
 */

function trpc_language_switcher($atts)
{
    ob_start();

    global $TRP_LANGUAGE;

    $trp = TRP_Translate_Press::get_trp_instance();
    $trp_languages = $trp->get_component('languages');
    $trp_settings = $trp->get_component('settings');
    $settings = $trp_settings->get_settings();
    $url_converter = $trp->get_component('url_converter');

    if (current_user_can(apply_filters('trp_translating_capability', 'manage_options'))) {
        $languages_to_display = $settings['translation-languages'];
    } else {
        $languages_to_display = $settings['publish-languages'];
    }
    $published_languages = $trp_languages->get_language_names($languages_to_display);

    $current_language = array();
    $other_languages = array();
    $other_languages_with_flags = array();

    foreach ($published_languages as $code => $name) {
        if ($code == $TRP_LANGUAGE) {
            $current_language['code'] = $code;
            $current_language['name'] = $name;
            $flags_path = apply_filters('trp_flags_path', TRP_PLUGIN_URL . 'assets/images/flags/', $code);
            $flag_file_name = $code . '.png';
            $flag_file_name = apply_filters('trp_flag_file_name', $flag_file_name, $code);
            $current_language['flag'] = esc_url($flags_path . $flag_file_name);
        } else {
            $flags_path = apply_filters('trp_flags_path', TRP_PLUGIN_URL  . 'assets/images/flags/', $code);
            $flag_file_name = $code . '.png';
            $flag_file_name = apply_filters('trp_flag_file_name', $flag_file_name, $code);
            $other_languages['name'] = $name;
            $other_languages['code'] = $code;
            $other_languages['flag'] = esc_url($flags_path . $flag_file_name);
            array_push($other_languages_with_flags, $other_languages);
        }
    }
?>

    <div class="language" data-no-translation>
        <div class="language-current" title="<?php echo esc_attr($current_language['name']); ?>" onclick="event.preventDefault()">
            <img class="language-image" src="<?php echo $current_language['flag'] ?>" alt="<?php echo $current_language['name']; ?>">
            <div class="language-submenu">
                <?php foreach ($other_languages_with_flags as $item) { ?>
                    <a class="language-item" href="<?php echo esc_url($url_converter->get_url_for_language($item['code'], false)); ?>" title="<?php echo esc_attr($name); ?>">
                        <img class="language-image" src="<?php echo $item['flag'] ?>" alt="<?php echo $item['name']; ?>">
                        <?php echo $item['name']; ?>
                    </a>
                <?php } ?>
            </div>
        </div>
    </div>
<?php

    return ob_get_clean();
}

add_shortcode('custom-language-switcher', 'trpc_language_switcher');