Very Simple way to Find Second largest number in given array using PHP

Hi,


Finding the Second largest number in  a array using PHP.

Solution: 

<?php
// PHP program to sort in ascending
// order using uasort() function

// user_defined comparator function
function sorting($a,$b)
{
if ($a==$b) return 0;
return ($a<$b)?-1:1;
}

// input array
$arr=array(245,268,289,10,999,585,120);
//uasort($arr,"sorting");
usort($arr,"sorting");

 $kesy =(sizeof($arr));
// printing sorted array.
print_r($arr[$kesy-2]);

?>

Output: 585

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Finding the Second largest number in  a array having Key using PHP.

Solution: 

<?php
// PHP program to sort in ascending
// order using uasort() function

// user_defined comparator function
function sorting($a,$b)
{
if ($a==$b) return 0;
return ($a<$b)?-1:1;
}

// input array
$arr=array("a"=>2044,"b"=>422,"g"=>748,"d"=>46,"e"=>421,"f"=>59);

//uasort($arr,"sorting");
usort($arr,"sorting");

 $kesy =(sizeof($arr));
// printing sorted array.
print_r($arr[$kesy-2]);


?>


OUTPUT: 748