protected static function getLastControllerModTime(array $controllerDirs)
{
$controllerFiles = array();
foreach ($controllerDirs as $dir) {
$controllerFiles = array_merge($controllerFiles, FileList::getFilesRecursively($dir));
}
$lastTime = 0;
foreach ($controllerFiles as $file) {
$fileModTime = filemtime($file);
if ($fileModTime > $lastTime) {
$lastTime = $fileModTime;
}
}
return $lastTime;
}