When een item in an Array is string it can not be overwriten with an array. This is ok with me, but PHP doesn't give a warning either:

$myarray = Array ();

$var = Array ();

$var ['NAME1'] = 'string';
$var ['NAME1'] ['NAME2'] ['NAME3'] = $myarray;

print "<pre>";
print_r ($var);
print "</pre>";

$var = Array ();
$var ['NAME1'] = 'string';
$var ['NAME1'] ['NAME2'] = Array ();

print "<pre>";
print_r ($var);
print "</pre>";

result:

Array
(
    [NAME1] => string
)

   Warning: Array to string conversion in /var/sites/p3/pageprocessor/pageprocessor3.0/www/dsdic.php on line 37
Array
(
    [NAME1] => Atring
)


This behaviour is very hard to debug (with 3.000+ lines of code or so and more then one person working on it). :)