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

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