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$myUsername = $_POST['username'];
//tainted!
$arrayUsers = array($myUsername, ‘tom’, ‘tommy’);
//tainted!
define(”GREETING”, ‘hello there’ . $myUsername);
//tainted!
?>
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$myUsername = cleanInput($_POST['username']);
//clean!
$arrayUsers = array($myUsername, ‘tom’, ‘tommy’);
//clean!
define(”GREETING”, ‘hello there’ .


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