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删除数组中值重复的元素
<?
function uniqueArray($array)
{
// Get unique elts as keys in assoc. array
for ($i=0,$n=count($array, 1);$i<$n;$i++)
$u_array[$array[$i]] = 1;
// Copy keys only into another array
reset($u_array, 1);
for ($i=0,$n=count($u_array, 1);$i<$n;$i++) {
$unduplicated_array[] = key($u_array, 1);
next($u_array, 1);
}
return $unduplicated_array;
}
?>
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