我無法弄清楚這些錯誤
[英]I can't figure these errors out
問題描述
好的，錯誤已修復，但現在登錄時它讓我到了錯誤的頁面...
我正在用虛擬貨幣開店。 我正在使用000webhost來托管它。 但是當我嘗試運行它時，它會給我這些錯誤：
Warning: session_register() [function.session-register]: Cannot send session cache limiter - headers already sent (output started at /home/a7020156/public_html/checklogin.php:2) in /home/a7020156/public_html/checklogin.php on line 41
Warning: Cannot modify header information - headers already sent by (output started at /home/a7020156/public_html/checklogin.php:2) in /home/a7020156/public_html/checklogin.php on line 47
我的頁面代碼給出了錯誤:(詳細信息已被刪除）
<?php
ob_end_flush();
define('DEBUG', TRUE);
ob_start();
$host=""; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name=""; // Database name
$tbl_name=""; // Table name
// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// username and password sent from form
$myusername=$_POST['myusername'];
$mypassword=$_POST['mypassword'];
$nav = $_GET['nav_to'];
$nav_to = (string)$nav;
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$mypass = md5($mypassword);
$sql="SELECT * FROM $tbl_name WHERE username='$myusername' and password='$mypass'";
$result=mysql_query($sql);
// Mysql_num_row is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypass and redirect to file "login_success.php"
$sql="SELECT credits FROM $tbl_name WHERE username='$myusername' and password='$mypass'";
$creds=mysql_query($sql);
$row = mysql_fetch_row($creds);
session_register("myusername");
session_register("mypass");
if(!empty($nav_to)){
header("location:$nav_to");
}
if(empty($nav_to)){
header("location:login_success.php?name=$myusername");
setcookie("valid", "true", time()+3600);
setcookie("creds", "$row[0]", time()+3600);
}
}else {
echo "Wrong Username or Password";
echo "<p><a href='main_login.php'>Back</a></p>";
}
?>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
</body>
</html>
用於登錄的頁面：
<html>
<head>
<title>Please login</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form name="form1" method="post" action="checklogin.php" style="color:#B3B3B3;">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td colspan="3"><strong>Member Login </strong></td>
</tr>
<tr>
<td width="78">Username</td>
<td width="6">:</td>
<td width="294"><input name="myusername" type="text" class="field" id="myusername"></td>
</tr>
<tr>
<td>Password</td>
<td>:</td>
<td><input name="mypassword" type="password" class="field" id="mypassword"></td>
</tr>
<tr>
<td><a href="insert.php">Register</a></td>
<td><input type="submit" name="Submit" class="but" value="Login"></td>
<td><a href="contact.php">Forgot pass?</a></td>
</tr>
</table>
</td>
</form>
</tr>
</table>
</body>
</html>
我正試圖導航到shop.php
我究竟做錯了什么？ 這個地址是http://mackscript.netii.net提前謝謝// Mackan90096
1 個解決方案
解決方案1
3 已采納 2013-10-07 09:40:52
如果您已將任何內容推送到輸出，則無法啟動會話。
刪除此行：
ob_end_flush();
無法弄清楚為什么我的PHP代碼出現服務器錯誤
聲明:本站的技術帖子網頁，遵循CC BY-SA 4.0協議，如果您需要轉載，請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.