/**
* Load the list of drivers.
*
* @return array
*/
public static function getDrivers()
{
if (isset(self::$_driverlist)) {
return self::$_driverlist;
}
$fi = new FilesystemIterator(__DIR__ . '/Autoconfig/Driver');
$class_prefix = __CLASS__ . '_Driver_';
$drivers = array();
foreach ($fi as $val) {
if ($val->isFile()) {
$cname = $class_prefix . $val->getBasename('.php');
if (class_exists($cname)) {
$ob = new $cname();
if ($ob instanceof Horde_Mail_Autoconfig_Driver) {
$drivers[$ob->priority][] = $ob;
}
}
}
}
ksort($drivers, SORT_NUMERIC);
$flatten = array();
array_walk_recursive($drivers, function ($a) use(&$flatten) {
$flatten[] = $a;
});
self::$_driverlist = $flatten;
return $flatten;
}
