我在联系表格方面遇到了各种各样的问题。当我在我的家庭服务器上进行测试时，一切运行顺利。一旦我上传到网上，它就不起作用了。首先有标题问题，现在显然“这个网页有一个重定向循环”。
这是我的代码。请告诉我该怎么做。谢谢。
<?php
// Title: Contact Form - Dolce Forno GB
// Updated: 5/9/2012
//Validation code
if (!empty($_POST)) {
$errors = array();
//variables
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$subject = $_POST['subject'];
$message = $_POST['message'];
//All field are required
if (empty($name) === true || empty($email) === true || empty($phone) === true || empty($subject) === true || empty($message) === true ){
$errors[] = 'Please fill in all the fields.';
}
else {
//This regex allows only: a-z,A-Z, space, comma, full stop, apostrophe, dash
if (!preg_match("/^[a-zA-Z\s,.'-]+$/", $name)) {
$errors[] = 'Invalid name.';
/*die ("Invalid name."); */
}
//var_filter php function
if (filter_var($email, FILTER_VALIDATE_EMAIL) === false) {
$errors[] = 'Invalid email address.';
}
//This regex allows only: 0-9, space, dash, brackets, min-max length: 10-15
if (!preg_match("/^[0-9\s]{10,15}$/", $phone)){
$errors[] = 'Invalid phone number.';
}
}
}
if (empty($errors)) {
//send email
mail('info@dolcefornogb.com', 'Contact Form', $subject, 'Message:' . $message,'From: ' . $name . $email . $phone);
header('Location:mail.php?sent');
exit ();
}
print_r($errors);
?>
<DOCTYPE html>
<html>
<head>
</head>
<body>
<?php
if (isset($_GET['sent']) === true) {
echo '<p>Thanks for contacting us!</p>';
}
else {
if (!empty($errors)){
echo '<ul>';
foreach ($errors as $error){
echo '<li>', $error,'</li>';
echo '</ul>';
}
}
?>
<form action="" method="post">
<p> <label for="name">Name
<span class="small">Add your name </span></label>
<input type="text" name="name" id="name"
<?php
if(isset($_POST['name']) === true){
echo 'value="', strip_tags($_POST['name']),'"';
}
?>
>
</p>
<p> <label for="email">E-mail address
<span class="small"> Add your e-mail</span></label>
<input type="text" name="email" id="email"
<?php
if(isset($_POST['email']) === true){
echo 'value="', strip_tags($_POST['email']),'"';
}
?>
>
</p>
<p><label for="phone">Phone<span class="small"> Add your phone number</span></label>
<input type="text" name="phone" id="phone"
<?php
if(isset($_POST['phone']) === true){
echo 'value="', ($_POST['phone']),'"';
}
?>
>
</p>
<p><label for="suject">Subject </label>
<input type="text" name="subject" id="subject"
<?php
if(isset($_POST['subject']) === true){
echo 'value="', strip_tags($_POST['subject']),'"';
}
?>
>
</p>
<p><label for="message">Message:</label>
<textarea name="message" id="messgae" rows="10" cols="50">
<?php
if(isset($_POST['message']) === true){
echo strip_tags($_POST['message']);
}
?></textarea>
</p>
<p><label for="call">Request Phone Call</label>
Yes:<input type="radio" value="Yes" name="call">
No:<input type="radio" value="No" name="call">
</p>
<p class="buttons">
<input type="submit" value="Send"> <input type="reset" value="Clear">
</p>
</form>
<?php
}
?>