week3.php & html

index.html
<!DOCTYPE html>

<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Week 3</title>
</head>
<body>
  <!--form 1-->
  <form name="myform" id="myform" action="welcome.php" method="post">
    First Name: <input type="text" name="fname" id="fname">
    Last Name: <input type="text" name="lname" id="lname">
    Age: <input type="text" name="age" id="age">
    Email: <input type="text" name="email" id="email">
    <input type="submit" name="submit" value=Submit>
    </form>

    <br><br>

    <!--form 2-->
    <form name="form2" id="form2" action="results.php" method="get">
      Name: <input type="text" name="name" id="name" /> <br /><br />
      Gross Salary:
      <input type="number" name="gross" id="gross" /> <br /><br />
      Other Deductibles (NIS, CNG conversion, Annuity):
      <input type="number" name="deduct" id="deduct" />
      <br /><br />
      <input type="submit" name="calculate" value="calculate" />
      </form>
</body>
</html>

welcome.php
<!DOCTYPE html>

<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Welcome</title>
</head>
<body>
  <?php
  $name = $_POST["fname"]. ' ' .$_POST["lname"];
  $age = $_POST["age"];
  $email = $_POST["email"];

  echo "Welcome,  $name.  You are   $age  Years old. Your email is  $email.";
  ?>
</body>
</html>

results.php
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Results</title>
</head>
<body>
  <?php
  $reg_deductible = 84000;
  $gross = $_GET["gross"];
  $other_deduct = $_GET["deduct"];
  $taxable = $gross - ($reg_deductible + $other_deduct);
  $taxes = $taxable * 0.25;
  $net = $gross - $taxes;
  echo "<h3>Your taxes details are:</h3><br/> Gross Income: $gross
  <br/> Taxable Income = $taxable <br/> <strong>Taxes Due: $taxes
  </strong><br/> <br/> Thank you for using our tax calculator application
  :)";
  ?>
  <!--
  <?php

// initialize output variable
$output = "<p></p>";

if (isset($_GET["calc"])) {


    $reg_deductible = 84000;
    $gross = $_GET["gross"];
    $other_deduct = $_GET["deduct"];
    $taxable = $gross - ($reg_deductible + $other_deduct);
    $taxes = $taxable * 0.25;
    $net = $gross - $taxes;
    $output = "<h3 style='color: blue;'>Hello $_GET[name], your tax details are:</h3><p> Gross Income: $gross
        <br/> Taxable Income = $taxable <br/> <span class='emphasize'>Taxes Due: $taxes
        </span><br/> <br/> Thank you for using our tax calculator application
        :)</p>";

}
?>
  -->
</body>
</html>

index2.php
<?php
$output = "";
if (isset($_GET["calculate"])) {

  $reg_deductible = 84000;
  $gross = $_GET["gross"];
  $other_deduct = $_GET["deduct"];
  $taxable = $gross - ($reg_deductible + $other_deduct);
  $taxes = $taxable * 0.25;
  $net = $gross - $taxes;
  $output = "<h3 style='color: blue;'>Hello $_GET[name], your tax details are:</h3><p> Gross Income: $gross
  <br/> Taxable Income = $taxable <br/> <span class='emphasize'>Taxes Due: $taxes
  </span><br/> <br/> Thank you for using our tax calculator application
  :)</p>";
}
?>


<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>All-in-one</title>
</head>
<body>
<form name="form2" id="form2" action="index2.php" method="get">
      Name: <input type="text" name="name" id="name" /> <br /><br />
      Gross Salary:
      <input type="number" name="gross" id="gross" /> <br /><br />
      Other Deductibles (NIS, CNG conversion, Annuity):
      <input type="number" name="deduct" id="deduct" />
      <br /><br />
      <input type="submit" name="calculate" value="calculate" />
      </form>

      <?php
      echo $output;
      ?>
</body>
</html>