Variable not show - PHPBuilder Forums

Variable not show

aorphp

Why a,b Variables not show when run file Default.php

default.php

<body>
<a href="test.php?a=php&b=123">php</a>
</body>

test.php

<BODY>
<?php $a.$b ?>

</BODY>

crusty_php

test.php

<BODY>
<?php
echo $a."<br>";
echo $b;
?>

</BODY>