Witschi262
Blogger
Huhu,
ich habe eine Fehlermeldung, weiß auch was sie bedeutet:
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /users/witschi262/www/index.php:44) in /users/witschi262/www/include/session.php on line 46
Die Sessions wurden bereits in meiner Index.php gesendet.
Hier das Script ab Zeile 44 in der Index.php:
Hier das Script ab Zeile 44 aus der Session.php
function startSession(){
global $database; //The database connection
session_start(); <------- ZEILE 46 ERROR ZEILE
/* Determine if user is logged in */
$this->logged_in = $this->checkLogin();
/**
* Set guest value to users not logged in, and update
* active guests table accordingly.
*/
if(!$this->logged_in){
$this->username = $_SESSION['username'] = GUEST_NAME;
$this->userlevel = GUEST_LEVEL;
$database->addActiveGuest($_SERVER['REMOTE_ADDR'], $this->time);
}
/* Update users last active timestamp */
else{
$database->addActiveUser($this->username, $this->time);
}
/* Remove inactive visitors from database */
$database->removeInactiveUsers();
$database->removeInactiveGuests();
/* Set referrer page */
if(isset($_SESSION['url'])){
$this->referrer = $_SESSION['url'];
}else{
$this->referrer = "/";
}
/* Set current url */
$this->url = $_SESSION['url'] = $_SERVER['PHP_SELF'];
}
/**
* checkLogin - Checks if the user has already previously
* logged in, and a session with the user has already been
* established. Also checks to see if user has been remembered.
* If so, the database is queried to make sure of the user's
* authenticity. Returns true if the user has logged in.
*/
function checkLogin(){
global $database; //The database connection
/* Check if user has been remembered */
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
$this->username = $_SESSION['username'] = $_COOKIE['cookname'];
$this->userid = $_SESSION['userid'] = $_COOKIE['cookid'];
}
/* Username and userid have been set and not guest */
if(isset($_SESSION['username']) && isset($_SESSION['userid']) &&
$_SESSION['username'] != GUEST_NAME){
/* Confirm that username and userid are valid */
if($database->confirmUserID($_SESSION['username'], $_SESSION['userid']) != 0){
/* Variables are incorrect, user not logged in */
unset($_SESSION['username']);
unset($_SESSION['userid']);
return false;
}
/* User is logged in, set class variables */
$this->userinfo = $database->getUserInfo($_SESSION['username']);
$this->username = $this->userinfo['username'];
$this->userid = $this->userinfo['userid'];
$this->userlevel = $this->userinfo['userlevel'];
return true;
}
/* User not logged in */
else{
return false;
}
}
/**
* login - The user has submitted his username and password
* through the login form, this function checks the authenticity
* of that information in the database and creates the session.
* Effectively logging in the user if all goes well.
*/
function login($subuser, $subpass, $subremember){
global $database, $form; //The database and form object
/* Username error checking */
$field = "user"; //Use field name for username
if(!$subuser || strlen($subuser = trim($subuser)) == 0){
$form->setError($field, "* Username not entered");
}
else{
/* Check if username is not alphanumeric */
if(!eregi("^([0-9a-z])*$", $subuser)){
$form->setError($field, "* Username not alphanumeric");
}
}
/* Password error checking */
$field = "pass"; //Use field name for password
if(!$subpass){
$form->setError($field, "* Password not entered");
}
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Checks that username is in database and password is correct */
$subuser = stripslashes($subuser);
$result = $database->confirmUserPass($subuser, md5($subpass));
/* Check error codes */
if($result == 1){
$field = "user";
$form->setError($field, "* Username not found");
}
else if($result == 2){
$field = "pass";
$form->setError($field, "* Invalid password");
}
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Username and password correct, register session variables */
$this->userinfo = $database->getUserInfo($subuser);
$this->username = $_SESSION['username'] = $this->userinfo['username'];
$this->userid = $_SESSION['userid'] = $this->generateRandID();
$this->userlevel = $this->userinfo['userlevel'];
/* Insert userid into database and update active users table */
$database->updateUserField($this->username, "userid", $this->userid);
$database->addActiveUser($this->username, $this->time);
$database->removeActiveGuest($_SERVER['REMOTE_ADDR']);
/**
* This is the cool part: the user has requested that we remember that
* he's logged in, so we set two cookies. One to hold his username,
* and one to hold his random value userid. It expires by the time
* specified in constants.php. Now, next time he comes to our site, we will
* log him in automatically, but only if he didn't log out before he left.
*/
if($subremember){
setcookie("cookname", $this->username, time()+COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", $this->userid, time()+COOKIE_EXPIRE, COOKIE_PATH);
}
/* Login completed successfully */
return true;
}
/**
* logout - Gets called when the user wants to be logged out of the
* website. It deletes any cookies that were stored on the users
* computer as a result of him wanting to be remembered, and also
* unsets session variables and demotes his user level to guest.
*/
function logout(){
global $database; //The database connection
/**
* Delete cookies - the time must be in the past,
* so just negate what you added when creating the
* cookie.
*/
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
setcookie("cookname", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
}
[/CODE]
Die Zeile 46 in Session.php habe ich gelöscht, Fehlermeldung weg.Wenn man sich nun aber einloggt, kommt man nicht zu seinem Profil sondern zum Loginfeld, ganz Normal!Wenn ich das ganze Stylezeugs und alles weg mache, dass nur der PHP-Code übrig ist, funktioniert alles.
Woran liegt das?
ich habe eine Fehlermeldung, weiß auch was sie bedeutet:
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /users/witschi262/www/index.php:44) in /users/witschi262/www/include/session.php on line 46
Die Sessions wurden bereits in meiner Index.php gesendet.
Hier das Script ab Zeile 44 in der Index.php:
Code:
<?php
include("include/session.php");
?>
<table>
<tr><td>
<?
/**
* User has already logged in, so display relavent links, including
* a link to the admin center if the user is an administrator.
*/
if($session->logged_in){
echo "<h1>Logged In</h1>";
echo "Welcome <b>$session->username</b>, you are logged in. <br><br>"
."[<a href=\"userinfo.php?user=$session->username\">My Account</a>] "
."[<a href=\"useredit.php\">Edit Account</a>] ";
if($session->isAdmin()){
echo "[<a href=\"admin/admin.php\">Admin Center</a>] ";
}
echo "[<a href=\"process.php\">Logout</a>]";
}
else{
?>
<h1>Login</h1>
<?
/**
* User not logged in, display the login form.
* If user has already tried to login, but errors were
* found, display the total number of errors.
* If errors occurred, they will be displayed.
*/
if($form->num_errors > 0){
echo "<font size=\"2\" color=\"#ff0000\">".$form->num_errors." error(s) found</font>";
}
?>
<form action="process.php" method="POST">
<table align="left" border="0" cellspacing="0" cellpadding="3">
<tr><td>Username:</td><td><input type="text" name="user" maxlength="30" value="<? echo $form->value("user"); ?>"></td><td><? echo $form->error("user"); ?></td></tr>
<tr><td>Password:</td><td><input type="password" name="pass" maxlength="30" value="<? echo $form->value("pass"); ?>"></td><td><? echo $form->error("pass"); ?></td></tr>
<tr><td colspan="2" align="left"><input type="checkbox" name="remember" <? if($form->value("remember") != ""){ echo "checked"; } ?>>
<font size="2">Remember me next time
<input type="hidden" name="sublogin" value="1">
<input type="submit" value="Login"></td></tr>
<tr><td colspan="2" align="left"><br><font size="2">[<a href="forgotpass.php">Forgot Password?</a>]</font></td><td align="right"></td></tr>
<tr><td colspan="2" align="left"><br>Not registered? <a href="register.php">Sign-Up!</a></td></tr>
</table>
</form>
</td></tr>
</table>
</div>
</div>
<?
}
echo "<b>Member Total:</b> ".$database->getNumMembers()."<br>";
echo "There are $database->num_active_users registered members and ";
echo "$database->num_active_guests guests viewing the site.<br><br>";
include("include/view_active.php");
?>
<center>
© Your Site Name
</center>
</td>
</tr>
</tr>
</table>
</center>
</body>
</noscript>
<div style="text-align: center;"><div style="position:relative; top:0; margin-right:auto;margin-left:auto; z-index:99999">
</div></div>
</html>
Code:
global $database; //The database connection
session_start(); <------- ZEILE 46 ERROR ZEILE
/* Determine if user is logged in */
$this->logged_in = $this->checkLogin();
/**
* Set guest value to users not logged in, and update
* active guests table accordingly.
*/
if(!$this->logged_in){
$this->username = $_SESSION['username'] = GUEST_NAME;
$this->userlevel = GUEST_LEVEL;
$database->addActiveGuest($_SERVER['REMOTE_ADDR'], $this->time);
}
/* Update users last active timestamp */
else{
$database->addActiveUser($this->username, $this->time);
}
/* Remove inactive visitors from database */
$database->removeInactiveUsers();
$database->removeInactiveGuests();
/* Set referrer page */
if(isset($_SESSION['url'])){
$this->referrer = $_SESSION['url'];
}else{
$this->referrer = "/";
}
/* Set current url */
$this->url = $_SESSION['url'] = $_SERVER['PHP_SELF'];
}
/**
* checkLogin - Checks if the user has already previously
* logged in, and a session with the user has already been
* established. Also checks to see if user has been remembered.
* If so, the database is queried to make sure of the user's
* authenticity. Returns true if the user has logged in.
*/
function checkLogin(){
global $database; //The database connection
/* Check if user has been remembered */
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
$this->username = $_SESSION['username'] = $_COOKIE['cookname'];
$this->userid = $_SESSION['userid'] = $_COOKIE['cookid'];
}
/* Username and userid have been set and not guest */
if(isset($_SESSION['username']) && isset($_SESSION['userid']) &&
$_SESSION['username'] != GUEST_NAME){
/* Confirm that username and userid are valid */
if($database->confirmUserID($_SESSION['username'], $_SESSION['userid']) != 0){
/* Variables are incorrect, user not logged in */
unset($_SESSION['username']);
unset($_SESSION['userid']);
return false;
}
/* User is logged in, set class variables */
$this->userinfo = $database->getUserInfo($_SESSION['username']);
$this->username = $this->userinfo['username'];
$this->userid = $this->userinfo['userid'];
$this->userlevel = $this->userinfo['userlevel'];
return true;
}
/* User not logged in */
else{
return false;
}
}
/**
* login - The user has submitted his username and password
* through the login form, this function checks the authenticity
* of that information in the database and creates the session.
* Effectively logging in the user if all goes well.
*/
function login($subuser, $subpass, $subremember){
global $database, $form; //The database and form object
/* Username error checking */
$field = "user"; //Use field name for username
if(!$subuser || strlen($subuser = trim($subuser)) == 0){
$form->setError($field, "* Username not entered");
}
else{
/* Check if username is not alphanumeric */
if(!eregi("^([0-9a-z])*$", $subuser)){
$form->setError($field, "* Username not alphanumeric");
}
}
/* Password error checking */
$field = "pass"; //Use field name for password
if(!$subpass){
$form->setError($field, "* Password not entered");
}
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Checks that username is in database and password is correct */
$subuser = stripslashes($subuser);
$result = $database->confirmUserPass($subuser, md5($subpass));
/* Check error codes */
if($result == 1){
$field = "user";
$form->setError($field, "* Username not found");
}
else if($result == 2){
$field = "pass";
$form->setError($field, "* Invalid password");
}
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Username and password correct, register session variables */
$this->userinfo = $database->getUserInfo($subuser);
$this->username = $_SESSION['username'] = $this->userinfo['username'];
$this->userid = $_SESSION['userid'] = $this->generateRandID();
$this->userlevel = $this->userinfo['userlevel'];
/* Insert userid into database and update active users table */
$database->updateUserField($this->username, "userid", $this->userid);
$database->addActiveUser($this->username, $this->time);
$database->removeActiveGuest($_SERVER['REMOTE_ADDR']);
/**
* This is the cool part: the user has requested that we remember that
* he's logged in, so we set two cookies. One to hold his username,
* and one to hold his random value userid. It expires by the time
* specified in constants.php. Now, next time he comes to our site, we will
* log him in automatically, but only if he didn't log out before he left.
*/
if($subremember){
setcookie("cookname", $this->username, time()+COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", $this->userid, time()+COOKIE_EXPIRE, COOKIE_PATH);
}
/* Login completed successfully */
return true;
}
/**
* logout - Gets called when the user wants to be logged out of the
* website. It deletes any cookies that were stored on the users
* computer as a result of him wanting to be remembered, and also
* unsets session variables and demotes his user level to guest.
*/
function logout(){
global $database; //The database connection
/**
* Delete cookies - the time must be in the past,
* so just negate what you added when creating the
* cookie.
*/
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
setcookie("cookname", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
}
[/CODE]
Die Zeile 46 in Session.php habe ich gelöscht, Fehlermeldung weg.Wenn man sich nun aber einloggt, kommt man nicht zu seinem Profil sondern zum Loginfeld, ganz Normal!Wenn ich das ganze Stylezeugs und alles weg mache, dass nur der PHP-Code übrig ist, funktioniert alles.
Woran liegt das?
eine Hauptstadt zum Deutschen HabboHotel</title>