Untitled

<!DOCTYPE html>
    <!--
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    and open the template in the editor.
    -->
    <?php

    require "Models/quadrado.php";
    require "Helpers/req.php";

    $quadrado = new Quadrado();

    $quadrado->altura = req::pegar("altura");

    $quadrado->largura = req::pegar("largura");


    $area = $quadrado->calcular_area();

    echo $area;
    ?>


    <html lang="pt-br">
    <head>
    <meta charset="UTF-8">
    <title>Classes e Objetos</title>
    </head>
    <body>
    <h1>Área do Quadrado</h1>

    <form method="post">
    <label>Altura: </label>
    <input type="text" placeholder="Altura" name="altura"/></br>
    <label>Largura: </label>
    <input type="text" placeholder="Largura" name="largura"/></br>
    <input  type="submit" value="Calcular Área"/>

    </form>

    <h2>A Área do quadrado é <?php echo $area; ?> cm</h2>


    </body>
    </html>