dqp10099 2014-06-16 15:25
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PHP标头无法正常工作（GoDaddy）[关闭]

I am trying to make a login page but I can't seem to get the header to show up.

session_start();

$_SESSION['prevURL'] = $_SERVER['REQUEST_URI'];

if(!$_SESSION['set'])
{
header("location: main_login.php");
}
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  • doulechou0700 2014-06-16 15:53
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    Based on your comment. You cannot show (print, echo) HTML before the Session_start();

    <!DOCTYPE html>
<html>
<?php 

session_start(); 

$_SESSION['prevURL']=$_SERVER['REQUEST_URI']; 
//make this $_SESSION[ 'adminSet'] if it 's an admin-only page

if(!isset($_SESSION['set']))                {                   

    header("location: main_login.php");                 }   
?> 
<head>   
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"> </script>    
    <script src="/bootstrap/js/bootstrap.js"> </script>    
    <script src="/bootstrap/js/bootstrap.min.js"> </script>

    Should be changed to this:

    <?php 
session_start(); 

$_SESSION['prevURL']=$_SERVER['REQUEST_URI']; 
//make this $_SESSION['adminSet'] if it 's an admin-only page

if(!isset($_SESSION['set']))                {                   

    header("location: main_login.php");                 }   
?> 
<!DOCTYPE html>
<html>
<head>   
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"> </script>    
    <script src="/bootstrap/js/bootstrap.js"> </script>    
    <script src="/bootstrap/js/bootstrap.min.js"> </script>
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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