Array sorting without using array function ?

$array=array('2','4','8','5','1','7','6','9','10','3');

echo "Unsorted array is: ";

echo "<br />";

print_r($array);

for($j = 0; $j < count($array); $j ++) {

for($i = 0; $i< count($array)-1; $i ++){

if($array[$i] > $array[$i+1]) {

                         $temp = $array[$i+1];

                         $array[$i+1]=$array[$i];

                         $array[$i]=$temp;                                  

                                   

        }      

    }

}

echo "Sorted Array is: ";

echo "<br />";

print_r($array);