Description:
------------
The Sort_Flags are not realy working. Only SORT_NUMERIC and this on a unexpected way, it loose some values.

Your menu to select my phpversion has not my Version includet, so my Version is: 5.4.7



Test script:
---------------
$ar = array('rot','gelb','grün','rot','234fw343','blau','gold');

$ar1 = array_unique($ar);
$ar2 = array_unique($ar,SORT_REGULAR);
$ar3 = array_unique($ar,SORT_NUMERIC);
$ar4 = array_unique($ar,SORT_STRING);
$ar5 = array_unique($ar,SORT_LOCALE_STRING);



print_r($ar1);
print_r($ar2);
print_r($ar3);
print_r($ar4);
print_r($ar5);






Expected result:
----------------
### Output ####

##### NOT EXPECTED, this is the unexpected Output #####

Array
(
    [0] => rot
    [1] => gelb
    [2] => grün
    [4] => 234fw343
    [5] => blau
    [6] => gold
)
Array
(
    [0] => rot
    [1] => gelb
    [2] => grün
    [4] => 234fw343
    [5] => blau
    [6] => gold
)
Array
(
    [0] => rot
    [4] => 234fw343
)
Array
(
    [0] => rot
    [1] => gelb
    [2] => grün
    [4] => 234fw343
    [5] => blau
    [6] => gold
)
Array
(
    [0] => rot
    [1] => gelb
    [2] => grün
    [4] => 234fw343
    [5] => blau
    [6] => gold
)