Radius reply form external script

[Javed Akhtar]

hello
i am using the php script bellow as a test reply
<?php
echo "Session-Timeout = 60,";
echo "ChilliSpot-Bandwidth-Max-Down=1024,";
echo "ChilliSpot-Bandwidth-Max-Up=1024";
?>
but i am getting it as plain text instead of value pair like bellow

Exec-Program output: Session-Timeout = 60,
ChilliSpot-Bandwidth-Max-Down=1024, ChilliSpot-Bandwidth-Max-Up=1024
Exec-Program-Wait: plaintext:  Session-Timeout = 60,
ChilliSpot-Bandwidth-Max-Down=1024, ChilliSpot-Bandwidth-Max-Up=1024

what is wrong??
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