<?
$rand1=rand(1000,9999);
$rand2=rand(1000,9999);
$rand3=rand(1000,9999);
$rand4=rand(10,99);
$number=$rand1.$rand2.$rand3.$rand4;
print $number;
?>

<?
$lines=100;              //هنا تحدد عدد الاسطر
while ($lines>0){

$rand1=rand(1000,9999);
$rand2=rand(1000,9999);
$rand3=rand(1000,9999);
$rand4=rand(10,99);
$number=$rand1.$rand2.$rand3.$rand4;
print "$number<br>";
$lines--;
}
?>