Tryit Editor v2.3

PHP Source:

<!DOCTYPE html>
<html>
<body>

<?php
function my_sort($a,$b)
{
if ($a==$b) return 0;
  return ($a<$b)?-1:1;
}

$a=array(4,2,8,6);
usort($a,"my_sort");

$arrlength=count($a);
for($x=0;$x<$arrlength;$x++)
  {
  echo $a[$x];
  echo "<br>";
  }

?>

</body>
</html>