<?
$array1=array("400","1");
$array2=array("200","2");
$array3=array("300","3");$array=array($array1,$array2,$array3);
function arr($arr1,$arr2)
{
@rsort($arr1);
@rsort($arr2);
return ($arr1[0]>$arr2[0])?-1:1;
}
@usort($array,"arr");
print_r($array);
?>