1
您好,我有三个PHP代码,其中一页是index.php
,我正在扫描用户的用户名和密码,然后将它发送到另一个文件userlogin_process.php
我在哪里首先开始会话,然后我匹配扫描值与数据库,如果他们匹配我将它们存储到会话变量,但它显示我在该页面上2警告无法发送会话缓存限制器 - 头已发送和最后一页我有的user_session.php
我在哪里找到用户到网站的主页。PHP错误无法发送会话缓存限制器 - 已发送的头文件
的index.php
session_start();
<form method="post" action="userlogin_process.php">
<div class="p">User Login</div>
<table style="margin-top:5%;margin-left:12%;">
<tr><td> <label style="font-size:16px"> UserName :</label></td></tr>
<tr><td><input class="input" type="text" name="username" placeholder="FirstName"/></td></tr>
<tr><td><label style="font-size:16px">Password :</label></td></tr>
<tr><td><input class="input" type="password" name="userpass" placeholder="Mobile No"/></td></tr>
<tr><td> </td></tr>
<tr><td align="center"><input class="button" type="submit" name="usersubmit" value="Login"/></td></tr>
</table>
</form>
user_loginprocess.php
<?php
session_start();
include("db.php");
$uname = $_POST['username'];
$upass = $_POST['userpass'];
echo $uname;
echo $upass;
$sql = mysql_query("select id,fname,mobile from user where fname='$uname'") or die(mysql_error());
$count = mysql_num_rows($sql);
if ($count > 0){
while($row = mysql_fetch_array($sql)){
$id = $row['id'];
$fname = $row['fname'];
$mobile = $row['mobile'];
}
}
if($uname == $fname && $upass == $mobile){
$_SESSION['uid'] = $id;
$_SESSION['username'] = $fname;
$_SESSION['usermobile'] = $mobile;
$_SESSION['login'] = "yes";
header('location:user_session.php');
}
else{
header('location:index.php?msg=incorrect');
}
?>
user_sesssion.php
<?php
session_start();
if(isset($_SESSION['login']) == "yes"){
header('location:user_detail.php?pageno=1');
}
else{
header('location:index.php?msg=login');
}
?>
哇我可以做很多与文件的名称,你可以发布相关的代码? – jycr753
这可能会帮助你stackoverflow.com/questions/8812754/cannot-send-session-cache-limiter-headers-already-sent –
使用'ob_start()'在第一行 – Ananth