<?php
$sayilar = array();
$i = 1;
while($i <= 6){
    $sayi = rand(1, 49);
    if(!in_array($sayi, $sayilar)) { $sayilar[$i] = $sayi;  $i++; }
}
sort($sayilar);
foreach($sayilar as $sayi) echo $sayi ."<br>";
?>