$allnum = 10;
$min = 10;
$max = 50;

function randomnum($a, $b, $c) { // สุ่มเลข
    for ($i = 0; $i < $a; $i++) {
        $random[$i] = rand($b, $c);
    }
    return $random;
}

function sl($a, $b) { // เรียงลำดับจากเลขที่สุ่ม
    for ($i = 0; $i < $a; $i++) {
        $sor[$i] = sort($b);
    } return $sor;
}
//--------------------------------------------------------
$rand = randomnum($allnum, $min, $max);
echo "<pre>";
print_r($rand);
echo "</pre>";

$slor = sl($allnum, $rand);
echo "<pre>";
print_r($slor);
echo "</pre>";

//--------------------------------------------------------
ผลลัพธ์
Array
(
    [0] => 24
    [1] => 30
    [2] => 42
    [3] => 44
    [4] => 16
    [5] => 25
    [6] => 33
    [7] => 39
    [8] => 11
    [9] => 26
)
Array
(
    [0] => 1
    [1] => 1
    [2] => 1
    [3] => 1
    [4] => 1
    [5] => 1
    [6] => 1
    [7] => 1
    [8] => 1
    [9] => 1
)

คำถามคือ ทำไมข้อมูลชุดสุดท้ายถึงเป็น 1 หมดเลยครับ