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File: example_advertisement.php

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  Classes of Thiemo Mättig  >  TM::Apeform  >  example_advertisement.php  >  Download  
File: example_advertisement.php
Role: Example script
Content type: text/plain
Description: Small advertisement form with an image upload
Class: TM::Apeform
A very abstract web form builder and processor
Author: By
Last change: Updated
Date: 6 years ago
Size: 4,021 bytes
 

Contents

Class file image Download
<?php

/**
 * Small advertisement form example. Shows basic use of an extended class.
 * Shows use of a preview function including a file upload element.
 *
 * @author Thiemo Mättig (http://maettig.com/)
 */

// Display some HTML headers.
echo '<style>';
echo
'body{background-color:#eeeeee;font-family:Georgia,serif;}';
echo
'input,select,textarea{font-family:monospace;}';
echo
'.error{color:red;font-weight:bold;}';
echo
'</style>';
echo
'<h2 align="center">Enter new small Advertisement</h2>';

//----------------------------------------------------------------------------

// Include the extended class and build a form out of it.
require_once("example_advertisement.class.php");
$form = new ExtendedApeform();

$message = &$form->textarea("Advertising <u>M</u>essage", "Bidding, Application, ...", "", 7);
$message = trim(preg_replace('/\s+/', ' ', $message));
$message = preg_replace('/(.)(\1{3})\1*/', '\2', $message);
if (!
$message) $form->error("Message missing");
if (
strlen($message) < 10) $form->error("Message to short");
if (
strlen($message) > 500) $form->error("Message to long");

$name = $form->text("Your <u>N</u>ame");
if (!
$name) $form->error("Name missing");

$email = $form->text("Your <u>E</u>mail", "Optional; if somebody wants to contact you");
if (
$email && ! preg_match(
   
'/^[^\s"\'<>()@,;:]+@[^\s"\'<>()@,;:]+\.[a-z]{2,6}$/is', $email))
{
   
$form->error("Email invalid");
}

$telefon = $form->text("Your <u>T</u>elephone", "Optional");
if (!
$email && ! $telefon)
{
   
$form->error("Email (or Telephone) missing", -1);
   
$form->error("Telephone (or Email) missing");
}

$options = array(7 => "1 Week",
               
14 => "2 Weeks",
               
21 => "3 Weeks",
               
28 => "4 Weeks");
$tage = $form->select("Duration", "How long should the Advertisement be visible?", $options);

$image = $form->file("Image", "Optional; JPG/JPEG/PNG/GIF only");
if (
$image && ! getimagesize($image['tmp_name']))
{
   
$form->error("Invalid Image File");
}

$submit = $form->submit("Preview|Submit");

//----------------------------------------------------------------------------

// Generate preview if requested.
if ($form->isValid())
{
    echo
'<table width="100%" border="1" cellpadding="4" cellspacing="0">';
    echo
'<tr><th bgcolor="#CCCCCC" colspan="3">Preview</th></tr>';
    echo
'<tr><td valign="top" width="200">';
    if (
$image)
    {
       
$size = getimagesize($image['tmp_name']);
       
$width = 200;
       
$height = $size[1] * $width / $size[0];
        echo
'<img src="' . $image['tmp_name'] . '" width="' . $width . '" height="' . $height . '">';
    }
    else echo
"No Image submitted";
    echo
'</td><td valign="top">';
   
$preview = htmlspecialchars(stripslashes($message));
   
$preview = preg_replace('/^.{10,}\b/U', '<big>\0</big>', $preview);
    echo
$preview;
    echo
'</td><td valign="top">';
    if (
$email) echo '<a href="mailto:' . $email . '">';
    echo
'<em>' . htmlspecialchars(stripslashes($name)) . '</em>';
    if (
$email) echo '</a>';
    if (
$telefon) echo '<br>Telephone: ' . htmlspecialchars(stripslashes($telefon));
    echo
'</td></tr>';
    echo
'</table>';
}

//----------------------------------------------------------------------------

if (! $form->isValid() || $submit == "Preview")
{
   
// Display the whole form.
   
$form->display();
}
else
{
   
// Make sure there is no equal entry. Reloads will be ignored this way.
   
$sql = "SELECT id FROM table WHERE message = '$message'";
   
// $result = mysql_query($sql);
   
$num_rows = 0;
   
// $num_rows = mysql_num_rows($result);
   
if ($num_rows < 1)
    {
       
// Insert the new entry into the database table.
       
$sql = "INSERT INTO table SET message = '$message'";
       
// mysql_query($sql);
       
echo '<p class="error">Submission succesfull.</p>';
    }
    else
    {
       
// Error. This entry is already in the database. Don't submit twice.
       
echo '<p class="error">This Advertisement was already submitted before.</p>';
    }
}

?>