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  1. <form name="calc" method="post" enctype="multipart/form-data" action="<?php $_SERVER['PHP_SELF'] ?>">
  2.     <label for="Peso"> Peso
  3.     <input type="text" id="Peso" name="peso" required="">
  4.     </label>
  5.     <label for="Altura"> Altura
  6.     <input type="text" id="Altura" name="altura" required="">
  7.     </label>
  8.     <input type="submit" class="button-green" value="CALCULAR">
  9. </form>
  10.  
  11. <div id="resultado">
  12.     <?php
  13.     if (isset ($_POST)) {
  14.         $peso = isset($_POST['peso']) ? $_POST['peso'] : 40;
  15.         $altura = isset($_POST['altura']) ? $_POST['altura'] : 1.9;
  16.         if (isset($peso) && $peso > 0 && isset($altura) && $altura > 0) {
  17.             $conta1 = $altura * $altura;
  18.             $conta2 = $peso / $conta1;
  19.             $resultado = number_format($conta2, 2, ".", ",");
  20.  
  21.             if (isset($resultado) && $resultado != '0') {
  22.                 ;
  23.                 echo $resultado;
  24.             }
  25.  
  26.             else {
  27.                 echo 'Falhou';
  28.             }
  29.         }
  30.     }
  31.     ?>
  32. </div>
Success #stdin #stdout 0.03s 52480KB
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<form name="calc" method="post" enctype="multipart/form-data" action="">
    <label for="Peso"> Peso
    <input type="text" id="Peso" name="peso" required="">
    </label>
    <label for="Altura"> Altura
    <input type="text" id="Altura" name="altura" required="">
    </label>
    <input type="submit" class="button-green" value="CALCULAR">
</form>

<div id="resultado">
    11.08</div>
https://ideone.com/hnnpiY
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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