589行目～
//function to scan entire directory tree and subdirectories
function dir_tree($dir)
{
// $path = '';
$path = array();
すでに修正済みだが、まだstable版には入っていなかったもよう。。。
https://bitbucket.org/phpliteadmin/public/issues/372/subdirectories-true-gives-me-a-http-500
https://github.com/phpLiteAdmin/pla/issues/5
https://bitbucket.org/phpliteadmin/public/commits/92339892895457befd8f428153843689122d665a