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888天前<html> |
<body> |
<?php |
function spamcheck($field) |
{ |
//filter_var() sanitizes the e-mail |
//address using FILTER_SANITIZE_EMAIL |
$field=filter_var($field, FILTER_SANITIZE_EMAIL); |
//filter_var() validates the e-mail |
//address using FILTER_VALIDATE_EMAIL |
if(filter_var($field, FILTER_VALIDATE_EMAIL)) |
{ |
return TRUE; |
} |
else |
{ |
return FALSE; |
} |
} |
if (isset($_REQUEST['email'])) |
{//if "email" is filled out, proceed |
//check if the email address is invalid |
$mailcheck = spamcheck($_REQUEST['email']); |
if ($mailcheck==FALSE) |
{ |
echo "Invalid input"; |
} |
else |
{//send email |
$email = $_REQUEST['email'] ; |
$subject = $_REQUEST['subject'] ; |
$message = $_REQUEST['message'] ; |
mail("someone@example.com", "Subject: $subject", |
$message, "From: $email" ); |
echo "Thank you for using our mail form"; |
} |
} |
else |
{//if "email" is not filled out, display the form |
echo "<form method='post' action='mailform.php'> |
Email: <input name='email' type='text'><br> |
Subject: <input name='subject' type='text'><br> |
Message:<br> |
<textarea name='message' rows='15' cols='40'> |
</textarea><br> |
<input type='submit'> |
</form>"; |
} |
?> |
</body> |
</html> |
