gist:2048047

## gistfile1.aw
<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title>The World of Fruit - Fruit Survey</title>
  <style type="text/css">
h1 {
  background-color: #FC0;
  font-size: 14pt;
  text-align: center;
  margin-bottom: 0px;
  margin-left: auto;
  margin-right: auto;
  width: 500px;
}

h2 {
  background-color: #FF9;
  font-size: 14pt;
  text-align: center;
  margin: 0px auto;
  width: 500px;
}

form {
  background-color: #FF9;
  margin-left: auto;
  margin-right: auto;
  margin-top: 0px;
  padding-top: 0px;
  width: 500px;
}

label {
  display: block;
  font-size: 12pt;
  float: left;
  text-align: right;
  margin-right: 10px;
  width: 200px;
  margin-bottom: 10px;
}

div.radioSet {
  width: 300px;
  margin-left: 210px;
}

div.radioSet label {
  display: inline;
  float: none;
}

input, select {
  margin-bottom: 10px;
}

input[type="submit"] {
  margin-left: 210px;
}

span.error {
  color: #F00;
}
  </style>
 </head>
 <body>
<?php
// define variables and initialize with empty values
$nameErr = $addrErr = $emailErr = $howManyErr = $favFruitErr = "";
$name = $address = $email = $howMany = "";
$favFruit = array();
$hasErrors = false;

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    if (empty($_POST["name"])) {
        $nameErr = "Missing";
        $hasErrors = true;
    }
    else {
        $name = $_POST["name"];
    }

    if (empty($_POST["address"])) {
        $addrErr = "Missing";
        $hasErrors = true;
    }
    else {
        $address = $_POST["address"];
    }

    if (empty($_POST["email"]))  {
        $emailErr = "Missing";
        $hasErrors = true;
    }
    else {
        $email = $_POST["email"];
    }

    if (!isset($_POST["howMany"])) {
        $howManyErr = "You must select 1 option";
        $hasErrors = true;
    }
    else {
        $howMany = $_POST["howMany"];
    }

    if (empty($_POST["favFruit"])) {
        $favFruitErr = "You must select 1 or more";
        $hasErrors = true;
    }
    else {
        $favFruit = $_POST["favFruit"];
    }

    if (!$hasErrors) {
        // process accepted form values here
        echo '<h1>Thank you</h1>';
    }
}

if ($_SERVER["REQUEST_METHOD"] == "GET"  || $hasErrors)
{
?>
  <h1>The World of Fruit</h1>
  <h2>Fruit Survey</h2>
  <form method="POST"
   action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
   <label for="name">Name</label>
   <input id="name" type="text" name="name"
    value="<?php echo htmlspecialchars($name);?>">
   <span class="error"><?php echo $nameErr; ?></span><br>
   <label for="address">Address</label>
   <input id="address" type="text" name="address"
    value="<?php echo htmlspecialchars($address);?>">
   <span class="error"><?php echo $addrErr; ?></span><br>
   <label for="email">Email</label>
   <input id="email" type="email" name="email"
    value="<?php echo htmlspecialchars($email);?>">
   <span class="error"><?php echo $emailErr; ?></span><br>
   <label>How many pieces of fruit do you eat per day?</label>
   <div class="radioSet">
    <input type="radio" id="howMany_0" name="howMany"
     <?php if (isset($howMany) && $howMany == "zero") echo "checked"; ?>
     value="zero">
    <label for="howMany_0">0</label>
    <span class="error"><?php echo $howManyErr; ?></span><br>
    <input type="radio" id="howMany_1" name="howMany"
     <?php if (isset($howMany) && $howMany == "one") echo "checked"; ?>
     value="one">
    <label for="howMany_1">1</label><br>
    <input type="radio" id="howMany_2" name="howMany"
     <?php if (isset($howMany) && $howMany == "two") echo "checked"; ?>
     value="two">
    <label for="howMany_2">2</label><br>
    <input type="radio" id="howMany_x" name="howMany"
     <?php if (isset($howMany) && $howMany == "twoplus") echo "checked"; ?>
     value="twoplus">
    <label for="howMany_x">More than 2</label>
   </div>
   <br>
   <label for="favFruit">My favorite fruit</label>
   <select id="favFruit" name="favFruit[]" size="4" multiple>
<?php
    $options = array("apple", "banana", "plum", "pomegranate",
        "strawberry", "watermelon");
    foreach ($options as $option) {
        echo '<option value="' . $option . '"';
        if (in_array($option, $favFruit)) {
            echo " selected";
        }
        echo ">" . ucfirst($option) . "</option>";
    }
?>
   </select>
   <span class="error"><?php echo $favFruitErr; ?></span>
   <br>
   <label for="">Would you like a brochure?</label>
   <input id="brochure" type="checkbox" name="brochure" value="Yes">
   <br>
   <br>
   <input type="submit" name="submit" value="Submit">
  </form>
<?php
}
?>
 </body>
</html>