PHP警告：無法修改標題信息 - 標題已發送（輸出開始.......在線29

每次我嘗試我點擊發送此錯誤出現我收到我的郵件，但問題是，它帶我到一個錯誤頁面，而不是帶我到我指定的頁面PHP警告：無法修改標題信息 - 標題已發送（輸出開始.......在線29

這是我的代碼：！

<?php 
$errors = ''; 
$myemail = '[email protected]';//<-----Put Your email address here. 

if(empty($_POST['name']) || empty($_POST['email']) || empty($_POST['message'])) 
{ 
    $errors .= "\n Error: all fields are required"; 
} 

$name = $_POST['name']; 
$email_address = $_POST['email']; 
$message = $_POST['message']; 

if (!preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/i", $email_address)) 
{ 
    $errors .= "\n Error: Invalid email address"; 
} 

if(empty($errors)) 
{ 
    $to = $myemail; 
    $email_subject = "Contact form submission: $name"; 
    $email_body = "You have received a new message. Here are the details:\n Name: $name \n Email: $email_address \n Message \n $message"; 
    $headers = "From: $myemail\n"; 
    $headers .= "Reply-To: $email_address"; 
    mail($to,$email_subject,$email_body,$headers); 
    //redirect to the 'thank you' page 
    header('Location: thank_you.html'); 
} 

echo nl2br($errors); 
?>

沒有空格進出口主辦我的網站與Hostgator

來源

2013-10-18 user2217550

你是否包括來自另一個文件的用戶，誰可能已經發送了頭前？ – Think

你不能寫頭如果你已經把一些數據放到屏幕上。

頭必須在代碼的頂部，任何輸出到

來源

2013-10-18 18:29:51

PHP警告：無法修改標題信息 - 標題已發送（輸出開始.......在線29

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