Description:
------------
---
From manual page: http://www.php.net/function.array-search
---


Test script:
---------------
$arr = [241, 248, 249, 250, 255, 256, 257];
$except = [248, 249, 255];
foreach ($except as $value) {
    if ($key = array_search($value, $arr) !== false) {
        unset($arr[$key]);
    }
}
print_r($arr);
exit;

Expected result:
----------------
Array
(
    [0] => 241
    [3] => 250
    [5] => 256
    [6] => 257
)


Actual result:
--------------
Array
(
    [0] => 241
    [2] => 249
    [3] => 250
    [4] => 255
    [5] => 256
    [6] => 257
)