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我有一個在本地主機上正常工作的PHP聯繫表（發送郵件到我的收件箱並重定向到另一頁）。但是，當我將其上傳到Liveserver並對其進行測試時，用戶輸入會被提交到我的電子郵件收件箱，但在瀏覽器上顯示輸入內容，並且不會重定向到其他頁面（感謝頁面）。我正在使用PHPMailer類發送表單。PHP發送電子郵件後拒絕重定向
PHP形式
<?php session_start();
//INITIALIZE VARIABLES and set to empty values
$name = $phone = $email = $message= $captchaResults= "";
$nameErr = $phoneErr = $emailErr = $checkboxErr= $messageErr= $captchaErr= "";
ini_set('display_errors', 1);
error_reporting(E_ALL);
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$valid = true;
//check if name is empty and performs functions in curly brackets
if (empty($_POST["name"])) {
$valid = false;
$nameErr = "Please fill out this field";
}
else {
//Passes name throught test input function at the bottom of page
$name = test_input($_POST["name"]);
//remove illegal characters from name , Sanitize data
$nm =filter_var($name, FILTER_SANITIZE_STRING);
// Validate Data
if (!preg_match("/^[a-zA-Z\s,.-]{3,30}$/", $nm)) // Regexp requiring letters, spaces, commas and fullstops and should not exceed 30 letters
{
$valid = false;
$nameErr = "Please don't insert numbers*";
}
}
//check if phone contains numbers
if (empty($_POST["phone"])) {
$valid = false;
$phoneErr = "Please fill out this field";
}
else {
$phone = test_input($_POST["phone"]);
if (!preg_match("/^[0-9\s(),+.-]*$/", $phone)) {
$valid = false;
$phoneErr = "Please don't insert letters*";
}
}
//check if email is valid
if (empty($_POST["email"])) {
$valid = false;
$emailErr = "Please fill out this field";
echo'email is empty<br>';
}
else {
$email = test_input($_POST["email"]);
//Remove all illegal characters from email
$em = filter_var($email, FILTER_SANITIZE_EMAIL);
if (!preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/", $em))
{
$valid = false;
$emailErr = "*Please insert a valid email address*";
}
}
// Check the values from checkbox and POST them to email
$value= "";
//
if (empty($_POST["checkbox"])) {
$valid = false;
$checkboxErr = "Please fill out this field*";
}
else{
$checkbox =$_POST["checkbox"]; //Array of values from the checkbox values
$value= implode(' , ', $checkbox); //implode values and separate by a comma
$value = test_input($value);
}
//check if message contains letters and white-space
if (empty($_POST["message"])) {
$valid = false;
$messageErr = "Please fill out this field";
echo 'Message is empty<br>';
}
else {
$message = test_input($_POST["message"]);
//remove illegal characters from url
$msg =filter_var($message, FILTER_SANITIZE_STRING);
if (!preg_match("/^[a-zA-Z\s-,:;`~.?()]*$/", $msg)) //Regexp requiring spaces, full-stops, colon, semi-colons brackets, question marks
{
$valid = false;
$messageErr = "Only letters and spaces are allowed*";
}
}
//Captcha Results
$getRandomNumber1 = $_POST["firstRandomNumber"];
$getRandomNumber2 = $_POST["secondRandomNumber"];
$getCaptchaResults = $_POST["captchaResults"];
$totalNumber= $getRandomNumber1 + $getRandomNumber2;
if($totalNumber == $getCaptchaResults){
echo'';
}
else{$valid = false;
$captchaErr="Wrong Answer";}
//stores name in a session variable to be used in thank-you page
$_SESSION["nm"]= $nm;
require ("PHPMailer/PHPMailerAutoload.php"); //including phpmailer class
$mail = new PHPMailer();
$mail->IsSMTP(); // set mailer to use SMTP
$mail->SMTPDebug = 2;
$mail->Host = "gator4261.hostgator.com"; // specify main and backup server,
$mail->Port = 465; //Gmail SMTP port
$mail->SMTPSecure = "ssl"; // Connect using a TLS connection
$mail->SMTPAuth = true; // turn on SMTP authorization
$mail->Username = "[email protected]"; // SMTP username
$mail->Password = "****************"; // SMTP password
$mail->From = "$em"; //email of sender
$mail->FromName = "$nm"; //name of the sender
$mail->AddAddress("[email protected]", "Petfar Designers"); //email address of recepient and name
$mail->AddReplyTo($em, $nm); //Address to which recepient will reply
$mail->WordWrap = 100; // set word wrap to 100 characters
$mail->IsHTML(true); // set email format to HTML
$mail->Subject = "Contact Form"; //subject of email
$mail->Body = "Name: " . $nm .
"<br>Phone: " . $phone .
"<br>Email: " . $em .
"<br>Subject: " . $value .
"<br>Message: " . $msg ;
//$mailphp = false;
if ($valid) {
// if (!$mailphp) {
if (!$mail->Send()) {
echo 'Form could not be sent.';
echo 'Mailer Error: ' . $mail->ErrorInfo;
exit;
} else {
header('Location:thank_you.php');
}
}
}
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
感謝頁面
<?php session_start();
?>
<!DOCTYPE html>
<html lang= "en-US">
<head>
<title> Thank_you_Page </title>
</head>
<body>
<div class="container2">
<br> <br> <div class="thanks"> <b> Hello <i> <?php echo $_SESSION["nm"]; ?> </i> ,Your Contact form was successfully sent! One of our agents will reply to your query as soon as possible. <br> Thank you for choosing us </b> </div>
<br> <br> <a href="contact.php"> Go Back </a>
</div>
</body>
</html>
錯誤消息
Warning: Cannot modify header information - headers already sent by (output started at /home4/pwebken/public_html/PHPMailer/class.smtp.php:234) in /home4/pwebken/public_html/contact.php on line 157
可能重複的[如何解決]已經發送的頭文件「PHP中的錯誤」（http://stackoverflow.com/questions/8028957/how-to-fix-headers-already-sent-error-in-php） – Psi
看起來像這樣：http://stackoverflow.com/a/8677936/1886270 –
在頁面頂部添加'ob_start（）;' –