Form Captcha
<script>
function checkForm() {
if (document.forms.myphpform.elements['yname'].value.length == 0) {
alert('Please enter a value for the "Name" field');
return false;
}
if (document.forms.myphpform.elements['email'].value.length == 0) {
alert('Please enter a value for the "Email" field');
return false;
}
if (document.forms.myphpform.elements['message'].value.length == 0) {
alert('Please enter a value for the "Message" field');
return false;
}
return true;
}
</script>
<form action="?done=1" method="post" name="myphpform" onSubmit="return checkForm()" >
<table border=0>
<tr>
<td>Your Name:</td> <td><input type="text" name="yname" size="50" maxlength="50" value="" /></td>
</tr>
<tr>
<td>Your Email:</td> <td><input type="text" name="email" size="50" maxlength="50" value="" /></td>
</tr>
<tr>
<td>Message:</td> <td><input type="text" name="message" size="50" maxlength="50" value="" /></td>
</tr>
<tr>
<td>Are you a human being?</td>
<td>
<?php
@require_once('recaptchalib.php');
$publickey = "YOUR-PUBLIC-KEY";
$privatekey = "YOUR-PRIVATE-KEY";
$resp = null;
$error = null;
# are we submitting the page?
if ($_POST["submit"]) {
$resp = recaptcha_check_answer ($privatekey,
$_SERVER["REMOTE_ADDR"],
$_POST["recaptcha_challenge_field"],
$_POST["recaptcha_response_field"]);
if ($resp->is_valid) {
$to="davy_yg@yahoo.com";
$subject="Feedback from Masterlink.co.id";
$body=" Message via webform:
Name: " .$_POST["yname"] . "\n
Email: " .$_POST["email"] . "\n
Message: " .$_POST["message"] . "\n";
/* send email */
mail($to,$subject,$body);
echo "<p>Email sent!</p>";
exit(1);
} else {
echo "Sorry cannot send email as you've failed to provide correct captcha! Try again...";
}
}
echo recaptcha_get_html($publickey, $error);
?>
<td/>
</tr>
<tr>
<td> </td>
<td><input type="submit" name="submit" value="submit" /></td>
</tr>
</table>
</form>
Your Name:
Your Email:
Message:
Are you a human being?
Notice: Undefined index: submit in C:\xampp\htdocs\Rustoleum\konsultasi-konsumen.php on line 124
Input error: k: Format of site key was invalid
Line 124: if ($_POST["submit"]) {
How to fix the problem ?
