- in_array: documentation ( source)
- max: documentation ( source)
<?php
$array = Array ( "0" => 12 , "1" => 17 , "2" => 5, "3" => 27, "4" => 5 );
$arrays = $array;
//print_r($array);
$i=1;
foreach($arrays as $key=>$values)
{
echo max($array)." rank is ". $i."\n";
if(!in_array($values,$array))
$i++;
unset($array[$key]);
}