PHP登錄頭部位置

Question

我有下面的代碼，但是我在這裏封鎖..

<?php 
require 'members/core/init.php'; 
$general->logged_in_protect(); 

if (empty($_POST) === false) { 

$username = trim($_POST['username']); 
$password = trim($_POST['password']); 

if (empty($username) === true || empty($password) === true) { 
    $errors[] = 'Sorry, but we need your username and password.'; 
} else if ($users->user_exists($username) === false) { 
    $errors[] = 'Sorry that username doesn\'t exists.'; 
} else if ($users->email_confirmed($username) === false) { 
    $errors[] = 'Sorry, but you need to activate your account. 
       Please check your email.'; 
} else { 
    if (strlen($password) > 18) { 
     $errors[] = 'The password should be less than 18 characters, without spacing.'; 
    } 
    $login = $users->login($username, $password); 
    if ($login === false) { 
     $errors[] = 'Sorry, that username/password is invalid'; 
    }else { 
     session_regenerate_id(true);// destroying the old session id and creating a new one 
     $_SESSION['id'] = $login; 
     header('Location: http://www.site.ro/1/index.html'); 
     exit(); 
    } 
} 
} 
?> 

及以下：

<?php if ($page == 'login'): ?> 
<?php endif; ?> 

有人可以幫助我的代碼部分相結合？

我tryed這一點，但告訴我，頭已經發送..

<?php if ($page == 'login'): ?> 
<?php 
require 'members/core/init.php'; 
$general->logged_in_protect(); 

if (empty($_POST) === false) { 

$username = trim($_POST['username']); 
$password = trim($_POST['password']); 

if (empty($username) === true || empty($password) === true) { 
    $errors[] = 'Sorry, but we need your username and password.'; 
} else if ($users->user_exists($username) === false) { 
    $errors[] = 'Sorry that username doesn\'t exists.'; 
} else if ($users->email_confirmed($username) === false) { 
    $errors[] = 'Sorry, but you need to activate your account. 
       Please check your email.'; 
} else { 
    if (strlen($password) > 18) { 
     $errors[] = 'The password should be less than 18 characters, without spacing.'; 
    } 
    $login = $users->login($username, $password); 
    if ($login === false) { 
     $errors[] = 'Sorry, that username/password is invalid'; 
    }else { 
     session_regenerate_id(true);// destroying the old session id and creating a new one 
     $_SESSION['id'] = $login; 
     header('Location: http://www.site.ro/1/index.html'); 
     exit(); 
    } 
} 
} 
?> 
<?php endif; ?> 

在PHP林初學，所以請理解我。 預先感謝您。

已解決！

，它的最終代碼：

<?php if ($page == 'login'): 
require 'members/core/init.php'; 
$general->logged_in_protect(); 

if (empty($_POST) === false) { 

$username = trim($_POST['username']); 
$password = trim($_POST['password']); 

if (empty($username) === true || empty($password) === true) { 
    $errors[] = 'Sorry, but we need your username and password.'; 
} else if ($users->user_exists($username) === false) { 
    $errors[] = 'Sorry that username doesn\'t exists.'; 
} else if ($users->email_confirmed($username) === false) { 
    $errors[] = 'Sorry, but you need to activate your account. 
       Please check your email.'; 
} else { 
    if (strlen($password) > 18) { 
     $errors[] = 'The password should be less than 18 characters, without spacing.'; 
    } 
    $login = $users->login($username, $password); 
    if ($login === false) { 
     $errors[] = 'Sorry, that username/password is invalid'; 
    }else { 
     session_regenerate_id(true);// destroying the old session id and creating a new one 
     $_SESSION['id'] = $login; 
     header('Location: http://www.site.ro/1/index.html'); 
     exit(); 
    } 
} 
} 
endif; ?> 

Answer 1

一旦任何內容發送給用戶，則不能修改標題。這包括任何錯誤的空白或換行符。

<?php if ($page == 'login'): ?> 
<?php 
require 'members/core/init.php'; 
$general->logged_in_protect(); 

您停止PHP執行足夠長的時間來發送線1和2

更改爲以下之間的一個換行符，然後再試一次。

<?php if ($page == 'login'): 

require 'members/core/init.php'; 
$general->logged_in_protect(); 

Answer 2

您的代碼中某處可能有一些空白。

1. 你可以找到它。

2. 還是這個最簡單的解決方法是打開output buffering

什麼輸出緩衝允許你做的是你要回聲/打印任何東西，並仍然保持在任何地方發送頭信息的能力，你的頁。