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<?php if(isset($_GET["color"])) { setcookie("color", $_GET["color"]); header("Location: " . $_SERVER["PHP_SELF"]); } if(isset($_GET["reset"])) { setcookie("color", ""); header("Location: " . $_SERVER["PHP_SELF"]); } if(isset($_COOKIE["color"])) { echo "Your favorite color is: " . $_COOKIE["color"] . "
"; echo "Click here to reset"; } else { echo "What's your favorite color?
"; echo "Red "; echo "Green "; echo "Blue "; } ?>