Remove duplicated values

removes duplicated entries in a array (only first level)
Warning this will remove all keys

function remove_duplicated_values($arr){
    $_a = array();
    while(list($key,$val) = each($arr)){
        $_a[$val] = 1;
    }
    return array_keys($_a);
}
Snippet information

Author:
Jonas John

License:
Public Domain

Language:
PHP

Created:
03/28/2006

Updated:
03/28/2006

Tags:
, 



remove_duplicated_values(array('a', 'b', 'c', 'a')); --> returns array('a','b','c')

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Older comments:

Dawit September 25, 2009 at 00:30
http://www.php.net/manual/en/function.array-unique.php