Description:
------------
phpdbg does not support the auto_prepend_file or auto_append_file ini settings.

Test script:
---------------
--prepend--
prepend

--append--
append

--auto.php--
<?php
echo "done\n";

$ php -dauto_prepend_file=prepend auto.php
$ phpdbg -qrrdauto_prepend_file=prepend auto.php
$ php -dauto_append_file=append auto.php
$ phpdbg -qrrdauto_append_file=append auto.php

Expected result:
----------------
$ php -dauto_prepend_file=prepend auto.php
prepend
done
$ phpdbg -qrrdauto_prepend_file=prepend auto.php
prepend
done
$ php -dauto_append_file=append auto.php
done
append
$ phpdbg -qrrdauto_append_file=append auto.php
done
append

Actual result:
--------------
$ php -dauto_prepend_file=prepend auto.php
prepend
done
$ phpdbg -qrrdauto_prepend_file=prepend auto.php
done
$ php -dauto_append_file=append auto.php
done
append
$ phpdbg -qrrdauto_append_file=append auto.php
done