PAD - PHP Application Driver

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Guestbook

PHP
guestbook.php 		HTML
guestbook.pad 		Result 
<?php

  $title = 'Guestbook';
  $dataFile = DAT . 'demo/guestbook.json';
  $message = '';
  $error = '';

  if ( ! is_dir ( DAT . 'demo' ) )
    @mkdir ( DAT . 'demo', 0755, TRUE );

  $entries = [];
  if ( file_exists ( $dataFile ) ) {
    $json = file_get_contents ( $dataFile );
    $entries = json_decode ( $json, TRUE ) ?: [];
  }

  if ( $_SERVER['REQUEST_METHOD'] == 'POST' && $action == 'add' ) {
    $name    = trim ( $name    ?? '' );
    $comment = trim ( $comment ?? '' );

    if ( $name && $comment ) {
      $entry = [
        'name'    => htmlspecialchars ( $name ),
        'comment' => htmlspecialchars ( $comment ),
        'date'    => date ( 'Y-m-d H:i:s' )
      ];
      array_unshift ( $entries, $entry );
      file_put_contents ( $dataFile, json_encode ( $entries, JSON_PRETTY_PRINT ) );
      $message = 'Thank you for signing the guestbook!';
    }
    else
      $error = 'Please fill in both name and message.';
  }

  $hasEntries = count ( $entries ) > 0;

?>
 
<p>Sign our guestbook and leave a message for other visitors!</p>

{if $message}
  <div class="message">{$message}</div>
{/if}

{if $error}
  <div class="message error">{$error}</div>
{/if}

<h2>Sign the Guestbook</h2>

<form method="post">
  <input type="hidden" name="action" value="add">
  <p>
    <label>Your Name:</label><br>
    <input type="text" name="name" required>
  </p>
  <p>
    <label>Your Message:</label><br>
    <textarea name="comment" rows="4" required></textarea>
  </p>
  <p>
    <input type="submit" value="Sign Guestbook">
  </p>
</form>

<h2>Guestbook Entries</h2>

{if $hasEntries}
  {entries}
    <div class="guest-entry">
      <div class="guest-name">{$name}</div>
      <div class="guest-date">{$date}</div>
      <p>{$comment}</p>
    </div>
  {/entries}
@else@
  <p>No entries yet. Be the first to sign!</p>
{/if}

Sign our guestbook and leave a message for other visitors!

Sign the Guestbook



Guestbook Entries

No entries yet. Be the first to sign!

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