📄 7-8.php

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💻 PHP

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<html>
<head><title>Personality</title></head>
<body>

<?php

// fetch form values, if any
$attrs = $_GET['attributes'];
if (! is_array($attrs)) { $attrs = array(); }

// create HTML for identically-named checkboxes
// $name = form field name ([] added by function)
// $query = current query parameters
// $options = array of value=>label for checkboxes
// any options present in $query are marked as checked

function make_checkboxes ($name, $query, $options) {
  foreach ($options as $value => $label) {
    printf('%s <input type="checkbox" name="%s[]" value="%s" ',
            $label, $name, $value);
    if (in_array($value, $query)) { echo "checked "; }
    echo "/><br />\n";
  }
}

// the list of values and labels for the checkboxes
$personality_attributes = array(
  'perky'    => 'Perky',
  'morose'   => 'Morose',
  'thinking' => 'Thinking',
  'feeling'  => 'Feeling',
  'thrifty'  => 'Spend-thrift',
  'prodigal' => 'Shopper'
);

?>

<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="GET">
Select your personality attributes:<br />
<?php make_checkboxes('attributes', $attrs, $personality_attributes); ?>
<br />
<input type="submit" name="s" value="Record my personality!" />
</form>

<?php
  if (array_key_exists('s', $_GET)) {
    $description = join (" ", $_GET['attributes']);
    echo "You have a $description personality.";
  }
?>

</body>
</html>

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