Created
July 1, 2013 08:30
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PHP contact form with spam check and honeypot features.
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<?php if(!isset($_POST['send'])) { ?> | |
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post"> | |
<noscript><input type="hidden" name="havejs" id="havejs"></noscript> | |
<input type="hidden" name="send" value="send"> | |
<!-- spam bait - if the bcc field contains anything, this email is rejected --> | |
<!--<input type="text" name="bcc" />--> | |
<!--<label for="bcc">Bcc</label>--> | |
<p><input type="text" name="name" required><label for="name">Name</label></p> | |
<p><input type="text" name="phone" required><label for="phone">Phone</label></p> | |
<p><input type="email" name="email" required><label for="email">Email</label></p> | |
<p><textarea name="message" required></textarea><label for="message">Message</label></p> | |
<p><input type="submit" value="Send message"></p> | |
</form> | |
<?php | |
} | |
if(isset($_POST['send'])) { | |
// extra check for non-HTML pages/browsers | |
function chip_get_my_valid_email($email) { | |
return preg_match('#^[a-z0-9.!\#$%&\'*+-/=?^_`{|}~]+@([0-9.]+|([^\s]+\.+[a-z]{2,6}))$#si', $email); | |
} | |
function chip_get_my_bot() { | |
$bots = array("Indy", "Blaiz", "Java", "libwww-perl", "Python", "OutfoxBot", "User-Agent", "PycURL", "AlphaServer", "T8Abot", "Syntryx", "WinHttp", "WebBandit", "nicebot", "Teoma", "alexa", "froogle", "inktomi", "looksmart", "URL_Spider_SQL", "Firefly", "NationalDirectory", "Ask Jeeves", "TECNOSEEK", "InfoSeek", "WebFindBot", "girafabot", "crawler", "www.galaxy.com", "Googlebot", "Scooter", "Slurp", "appie", "FAST", "WebBug", "Spade", "ZyBorg", "rabaz"); | |
foreach($bots as $bot) | |
if(stripos($_SERVER['HTTP_USER_AGENT'], $bot) !== false) | |
return true; | |
if(empty($_SERVER['HTTP_USER_AGENT']) || $_SERVER['HTTP_USER_AGENT'] == " ") | |
return true; | |
return false; | |
} | |
function chip_get_my_clean_string($string) { | |
$bad = array('content-type', 'bcc:', 'to:', 'cc:', 'href'); | |
return str_replace($bad, '', $string); | |
} | |
function chip_get_my_ip() { | |
if(!empty($_SERVER['HTTP_CLIENT_IP'])) | |
$ip = $_SERVER['HTTP_CLIENT_IP']; | |
elseif(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) | |
$ip = $_SERVER['HTTP_X_FORWARDED_FOR']; | |
else | |
$ip = $_SERVER['REMOTE_ADDR']; | |
return $ip; | |
} | |
$bcc = filter_var($_POST['bcc'], FILTER_SANITIZE_STRING); | |
$name = filter_var($_POST['name'], FILTER_SANITIZE_STRING); | |
$phone = filter_var($_POST['phone'], FILTER_SANITIZE_STRING); | |
$email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL); | |
$message = filter_var($_POST['message'], FILTER_SANITIZE_SPECIAL_CHARS); | |
$message = filter_var($_POST['message'], FILTER_SANITIZE_STRING); | |
$name = chip_get_my_clean_string($name); | |
$phone = chip_get_my_clean_string($phone); | |
$email = chip_get_my_clean_string($email); | |
$message = chip_get_my_clean_string($message); | |
// HEADERS | |
$headers = 'MIME-Version: 1.0' . "\r\n"; | |
$headers .= 'Content-type: text/html; charset=utf-8' . "\r\n"; | |
// Additional headers | |
$headers .= 'To: Recipient Name <info@domain.com' . "\r\n"; | |
$headers .= 'From: Sender Name <info@domain.com>' . "\r\n"; | |
$headers .= 'Reply-To: info@domain.com' . "\r\n"; | |
$headers .='X-Mailer: PHP/' . phpversion(); | |
$subject = "Your Email Subject Here"; | |
$mail = "recipient@domain.com"; | |
$message=' | |
<strong>Name:</strong> ' . $name . '<br> | |
<strong>Phone:</strong> ' . $phone . '<br> | |
<strong>Email:</strong> ' . $email . '<br> | |
<strong>Message:</strong> ' . $message . '<br><br> | |
Message sent from http://www.domain.com/<br><br> | |
==<br> | |
<small><strong>Sender IP:</strong> ' . chip_get_my_ip() . '</small><br> | |
<small><strong>Sender Browser:</strong> ' . $_SERVER['HTTP_USER_AGENT'] . '</small><br> | |
<small><strong>Sender OS:</strong> ' . $_SERVER['SERVER_SOFTWARE'] . '</small> | |
'; | |
if($bcc == '' && !isset($_POST['havejs']) && $name != '' && $email != '' && $message != '' && chip_get_my_valid_email($email) && $_SERVER['REQUEST_METHOD'] == 'POST' && chip_get_my_bot() == false) { | |
mail($mail, $subject, $message, $headers); | |
echo '<p>Message sent!</p><p>Thank you!</p>'; | |
} | |
else { | |
echo '<p>Error!</p><p>Please fill in all fields!</p>'; | |
} | |
} | |
?> |
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Added this to a test page and everything after . "\r\n"; on line 149 shows as text. Obviously my fault but would like to know how to fix it.