vaja09/1

<html>
<head>
</head>
<body>

<?php
$x = rand(100,300);
$y = rand(100,300);
$z = rand(1,4);
echo '<a href = "index2.php?x='.$x.'&y='.$y.'&z='.$z.'">asd</a>';
?>


</body>
<html>
__________________________________________________________
<?php

switch($_GET['z']){
case 1:
echo $_GET['x']+$_GET['y'];
$_GET['z']='+';
break;
case 2:
echo $_GET['x']-$_GET['y'];
$_GET['z']='-';
break;
case 3:
echo $_GET['x']/$_GET['y'];
$_GET['z']='/';
break;
case 4:
echo $_GET['x']*$_GET['y'];
$_GET['z']='*';
break;
}
echo "<br>";
print_r($_GET);


echo "<br><a href= index.php>back</a>";

?>