function tts_get_config($p_var)
{
    global $ext;
    switch ($p_var) {
        case "asterisk":
            $contextname = 'ext-tts';
            if (is_array($tts_list = \FreePBX::Tts()->listTTS())) {
                foreach ($tts_list as $item) {
                    $tts = tts_get($item['id']);
                    $ttsid = $tts['id'];
                    $ttsname = $tts['name'];
                    $ttstext = $tts['text'];
                    $ttsgoto = $tts['goto'];
                    $ttsengine = $tts['engine'];
                    $ttspath = tts_get_ttsengine_path($ttsengine);
                    $ext->add($contextname, $ttsid, '', new ext_noop('TTS: ' . $ttsname));
                    $ext->add($contextname, $ttsid, '', new ext_noop('Using: ' . $ttsengine));
                    $ext->add($contextname, $ttsid, '', new ext_answer());
                    $ext->add($contextname, $ttsid, '', new ext_agi('propolys-tts.agi,"' . $ttstext . '",' . $ttsengine . ',' . $ttspath['path']));
                    $ext->add($contextname, $ttsid, '', new ext_goto($ttsgoto));
                }
            }
            break;
    }
}
//
/**
 * This module REQUIRES the 'ttsengines' module. But since FreePBX
 *  doesn't handle circular dependancies, we have to force one.
 */
if (!function_exists('ttsengines_get_all_engines')) {
    show_view(__DIR__ . '/views/no-ttsengines.php');
    return;
}
//this function needs to be available to other modules (those that use goto destinations)
//therefore we put it in globalfunctions.php
$data['tts_list'] = tts_list();
$data['engine_list'] = ttsengines_get_all_engines();
$data['action'] = $_REQUEST['action'];
if ((isset($amp_conf['ASTVARLIBDIR']) ? $amp_conf['ASTVARLIBDIR'] : '') == '') {
    $astlib_path = "/var/lib/asterisk";
} else {
    $astlib_path = $amp_conf['ASTVARLIBDIR'];
}
$data['tts_astsnd_path'] = $astlib_path . "/sounds/tts/";
$data['tts_agi_error'] = null;
if (!($tts_agi = file_exists($astlib_path . "/agi-bin/propolys-tts.agi"))) {
    $data['tts_agi_error'] = _("AGI script not found");
}
if (!empty($_REQUEST['id']) || $action !== 'delete') {
    $tts = tts_get($_REQUEST['id']);
    foreach ($tts as $key => $value) {
        $data[$key] = $value;
    }
}
show_view(__DIR__ . '/views/tts.php', $data);