Multidimensional Arrays enquiry PHP

Question

For example I have array like below:

Array 
(
   [0] => Array
     (
        [a] => 1
        [b] => 0
        [c] => 1
        [d] => 1     
     )
    [1] => Array
    (
        [a] => 2
        [b] => 0
        [c] => 3
        [d] => 3 
    )
    [4] => Array
    (
        [a] => 5
        [b] => 1
        [c] => 3
        [d] => 2 
    )    

)

Now I would like to receive only array with the largest [d] value. So in this case:

Array (
        [a] => 2
        [b] => 0
        [c] => 3
        [d] => 3
    )  

What is the easiest and the most optimal way to do it? Thank You!

Answer 1

$res=array();
    foreach ($array as $temp)
    {
        foreach ($temp as $k=>$value)
        {
            if(!isset($res[$k]))
            {
                $res[$k]=$value;
            }
            else
            {
                $res[$k]=max($value,$res[$k]);
            }
        }
    }
    print_r($res);

output Array ( [a] => 5 [b] => 1 [c] => 3 [d] => 3 )

Update Answer

$res=array();
    $max=0;
    foreach ($array as $temp)
    {
        if($max<$temp['d'])
        {
             $max=$temp['d'];
            $res=$temp;
        }
    }
    print_r($res);

output Array ( [a] => 2 [b] => 0 [c] => 3 [d] => 3 )