public static function listPHPExtensions()
{
$result = array();
if (DatabaseInterface::checkDbExtension('mysqli')) {
$result[] = 'mysqli';
} else {
$result[] = 'mysql';
}
if (extension_loaded('curl')) {
$result[] = 'curl';
}
if (extension_loaded('mbstring')) {
$result[] = 'mbstring';
}
return $result;
}