ILIAS  release_5-0 Revision 5.0.0-1144-gc4397b1f870
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example_form.php
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1 <?php
2 session_start(); // this MUST be called prior to any output including whitespaces and line breaks!
3 
4 $GLOBALS['DEBUG_MODE'] = 1;
5 // CHANGE TO 0 TO TURN OFF DEBUG MODE
6 // IN DEBUG MODE, ONLY THE CAPTCHA CODE IS VALIDATED, AND NO EMAIL IS SENT
7 
8 $GLOBALS['ct_recipient'] = 'YOU@EXAMPLE.COM'; // Change to your email address!
9 $GLOBALS['ct_msg_subject'] = 'Securimage Test Contact Form';
10 
11 ?>
12 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
13 <html xmlns="http://www.w3.org/1999/xhtml">
14 <head>
15  <meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
16  <title>Securimage Example Form</title>
17  <style type="text/css">
18  <!--
19  .error { color: #f00; font-weight: bold; font-size: 1.2em; }
20  .success { color: #00f; font-weight: bold; font-size: 1.2em; }
21  fieldset { width: 90%; }
22  legend { font-size: 24px; }
23  .note { font-size: 18px;
24  -->
25  </style>
26 </head>
27 <body>
28 
29 <fieldset>
30 <legend>Example Form</legend>
31 
32 <p class="note">
33  This is an example PHP form that processes user information, checks for errors, and validates the captcha code.<br />
34  This example form also demonstrates how to submit a form to itself to display error messages.
35 </p>
36 
37 <?php
38 
39 process_si_contact_form(); // Process the form, if it was submitted
40 
41 if (isset($_SESSION['ctform']['error']) && $_SESSION['ctform']['error'] == true): /* The last form submission had 1 or more errors */ ?>
42 <span class="error">There was a problem with your submission. Errors are displayed below in red.</span><br /><br />
43 <?php elseif (isset($_SESSION['ctform']['success']) && $_SESSION['ctform']['success'] == true): /* form was processed successfully */ ?>
44 <span class="success">The captcha was correct and the message has been sent!</span><br /><br />
45 <?php endif; ?>
46 
47 <form method="post" action="<?php echo htmlspecialchars($_SERVER['REQUEST_URI'] . $_SERVER['QUERY_STRING']) ?>" id="contact_form">
48  <input type="hidden" name="do" value="contact" />
49 
50  <p>
51  <strong>Name*:</strong>&nbsp; &nbsp;<?php echo @$_SESSION['ctform']['name_error'] ?><br />
52  <input type="text" name="ct_name" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_name']) ?>" />
53  </p>
54 
55  <p>
56  <strong>Email*:</strong>&nbsp; &nbsp;<?php echo @$_SESSION['ctform']['email_error'] ?><br />
57  <input type="text" name="ct_email" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_email']) ?>" />
58  </p>
59 
60  <p>
61  <strong>URL:</strong>&nbsp; &nbsp;<?php echo @$_SESSION['ctform']['URL_error'] ?><br />
62  <input type="text" name="ct_URL" size="35" value="<?php echo htmlspecialchars(@$_SESSION['ctform']['ct_URL']) ?>" />
63  </p>
64 
65  <p>
66  <strong>Message*:</strong>&nbsp; &nbsp;<?php echo @$_SESSION['ctform']['message_error'] ?><br />
67  <textarea name="ct_message" rows="12" cols="60"><?php echo htmlspecialchars(@$_SESSION['ctform']['ct_message']) ?></textarea>
68  </p>
69 
70  <p>
71  <img id="siimage" style="border: 1px solid #000; margin-right: 15px" src="./securimage_show.php?sid=<?php echo md5(uniqid()) ?>" alt="CAPTCHA Image" align="left" />
72  <object type="application/x-shockwave-flash" data="./securimage_play.swf?bgcol=#ffffff&amp;icon_file=./images/audio_icon.png&amp;audio_file=./securimage_play.php" height="32" width="32">
73  <param name="movie" value="./securimage_play.swf?bgcol=#ffffff&amp;icon_file=./images/audio_icon.png&amp;audio_file=./securimage_play.php" />
74  </object>
75  &nbsp;
76  <a tabindex="-1" style="border-style: none;" href="#" title="Refresh Image" onclick="document.getElementById('siimage').src = './securimage_show.php?sid=' + Math.random(); this.blur(); return false"><img src="./images/refresh.png" alt="Reload Image" height="32" width="32" onclick="this.blur()" align="bottom" border="0" /></a><br />
77  <strong>Enter Code*:</strong><br />
78  <?php echo @$_SESSION['ctform']['captcha_error'] ?>
79  <input type="text" name="ct_captcha" size="12" maxlength="16" />
80  </p>
81 
82  <p>
83  <br />
84  <input type="submit" value="Submit Message" />
85  </p>
86 
87 </form>
88 </fieldset>
89 
90 </body>
91 </html>
92 
93 <?php
94 
95 // The form processor PHP code
96 function process_si_contact_form()
97 {
98  $_SESSION['ctform'] = array(); // re-initialize the form session data
99 
100  if ($_SERVER['REQUEST_METHOD'] == 'POST' && @$_POST['do'] == 'contact') {
101  // if the form has been submitted
102 
103  foreach($_POST as $key => $value) {
104  if (!is_array($key)) {
105  // sanitize the input data
106  if ($key != 'ct_message') $value = strip_tags($value);
107  $_POST[$key] = htmlspecialchars(stripslashes(trim($value)));
108  }
109  }
110 
111  $name = @$_POST['ct_name']; // name from the form
112  $email = @$_POST['ct_email']; // email from the form
113  $URL = @$_POST['ct_URL']; // url from the form
114  $message = @$_POST['ct_message']; // the message from the form
115  $captcha = @$_POST['ct_captcha']; // the user's entry for the captcha code
116  $name = substr($name, 0, 64); // limit name to 64 characters
117 
118  $errors = array(); // initialize empty error array
119 
120  if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) {
121  // only check for errors if the form is not in debug mode
122 
123  if (strlen($name) < 3) {
124  // name too short, add error
125  $errors['name_error'] = 'Your name is required';
126  }
127 
128  if (strlen($email) == 0) {
129  // no email address given
130  $errors['email_error'] = 'Email address is required';
131  } else if ( !preg_match('/^(?:[\w\d]+\.?)+@(?:(?:[\w\d]\-?)+\.)+\w{2,4}$/i', $email)) {
132  // invalid email format
133  $errors['email_error'] = 'Email address entered is invalid';
134  }
135 
136  if (strlen($message) < 20) {
137  // message length too short
138  $errors['message_error'] = 'Please enter a message';
139  }
140  }
141 
142  // Only try to validate the captcha if the form has no errors
143  // This is especially important for ajax calls
144  if (sizeof($errors) == 0) {
145  require_once dirname(__FILE__) . '/securimage.php';
146  $securimage = new Securimage();
147 
148  if ($securimage->check($captcha) == false) {
149  $errors['captcha_error'] = 'Incorrect security code entered<br />';
150  }
151  }
152 
153  if (sizeof($errors) == 0) {
154  // no errors, send the form
155  $time = date('r');
156  $message = "A message was submitted from the contact form. The following information was provided.<br /><br />"
157  . "Name: $name<br />"
158  . "Email: $email<br />"
159  . "URL: $URL<br />"
160  . "Message:<br />"
161  . "<pre>$message</pre>"
162  . "<br /><br />IP Address: {$_SERVER['REMOTE_ADDR']}<br />"
163  . "Time: $time<br />"
164  . "Browser: {$_SERVER['HTTP_USER_AGENT']}<br />";
165 
166  $message = wordwrap($message, 70);
167 
168  if (isset($GLOBALS['DEBUG_MODE']) && $GLOBALS['DEBUG_MODE'] == false) {
169  // send the message with mail()
170  mail($GLOBALS['ct_recipient'], $GLOBALS['ct_msg_subject'], $message, "From: {$GLOBALS['ct_recipient']}\r\nReply-To: {$email}\r\nContent-type: text/html; charset=ISO-8859-1\r\nMIME-Version: 1.0");
171  }
172 
173  $_SESSION['ctform']['error'] = false; // no error with form
174  $_SESSION['ctform']['success'] = true; // message sent
175  } else {
176  // save the entries, this is to re-populate the form
177  $_SESSION['ctform']['ct_name'] = $name; // save name from the form submission
178  $_SESSION['ctform']['ct_email'] = $email; // save email
179  $_SESSION['ctform']['ct_URL'] = $URL; // save URL
180  $_SESSION['ctform']['ct_message'] = $message; // save message
181 
182  foreach($errors as $key => $error) {
183  // set up error messages to display with each field
184  $_SESSION['ctform'][$key] = "<span style=\"font-weight: bold; color: #f00\">$error</span>";
185  }
186 
187  $_SESSION['ctform']['error'] = true; // set error floag
188  }
189  } // POST
190 }
191 
192 $_SESSION['ctform']['success'] = false; // clear success value after running
$_SESSION
< a tabindex="-1" style="border-style: none;" href="#" title="Refresh Image" onclick="document.getElementById('siimage').src = './securimage_show.php?sid=' + Math.random(); this.blur(); return false">< img src="./images/refresh.png" alt="Reload Image" height="32" width="32" onclick="this.blur()" align="bottom" border="0"/></a >< br/>< strong > Enter Code *if($_SERVER['REQUEST_METHOD']=='POST' &&@ $_POST['do']=='contact') $_SESSION['ctform']['success']
Definition: example_form.php:192
$errors
$errors
Definition: imagemanager.php:73
process_si_contact_form
process_si_contact_form()
Definition: example_form.ajax.php:121
$_POST
$_POST['username']
Definition: cron.php:12
$GLOBALS
$GLOBALS['DEBUG_MODE']
Definition: example_form.php:4
Securimage
Project: Securimage: A PHP class for creating and managing form CAPTCHA images File: securimage...
PHP
SMTP MX.