Im having a nasty Bug here, here is the error.
Notice: A session had already been started - ignoring session_start() in C:\xampp\htdocs\teacher_modal.php on line 57
Warning: session_regenerate_id(): Cannot regenerate session id - headers already sent in C:\xampp\htdocs\teacher_modal.php on line 58
Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\navhead.php:66) in C:\xampp\htdocs\teacher_modal.php on line 60
These error came out after I loggin to my site using localhosting then im just stock on loggin page because it cannot continue because of that error.
but in my Paid Webhosting i have no problem with my site it run smoothly indeed.
if anyone can help me i will give you a reward tnx
Here is the Page code php:
<!-- modal -->
<div id="teacher" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
</div>
<div class="modal-body">
<div class="alert alert-info">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong>Login Teacher!</strong> Please Enter the Details Below.
</div>
<form class="form-horizontal" method="post">
<div class="control-group">
<label class="control-label" for="inputEmail">Username</label>
<div class="controls">
<input type="text" name="username" id="inputEmail" placeholder="Username">
</div>
</div>
<div class="control-group">
<label class="control-label" for="inputPassword">Password</label>
<div class="controls">
<input type="password" name="password" id="inputPassword" placeholder="Password">
</div>
</div>
<div class="control-group">
<div class="controls">
<button type="submit" name="login_teacher" class="btn btn-info"><i class="icon-signin icon-large"></i> Sign in</button>
</div>
</div>
<?php
if (isset($_POST['login_teacher'])) {
function clean($str) {
$str = @trim($str);
if (get_magic_quotes_gpc()) {
$str = stripslashes($str);
}
return mysql_real_escape_string($str);
}
$username = clean($_POST['username']);
$password = clean($_POST['password']);
$query = mysql_query("select * from teacher where username='$username' and password='$password'") or die(mysql_error());
$count = mysql_num_rows($query);
$row = mysql_fetch_array($query);
if ($count > 0) {
session_start();
session_regenerate_id();
$_SESSION['id'] = $row['teacher_id'];
header('location:teacher_home.php');
session_write_close();
exit();
} else {
session_write_close();
?>
<div class="pull-right">
<button type="button" class="close" data-dismiss="alert">×</button>
<div class="alert alert-danger"><i class="icon-remove-sign"></i> Access Denied</div>
</div>
<?php
exit();
}
}
?>
</form>
<!-- teacher -->
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true"><i class="icon-remove-sign icon-large"></i> Close</button>
</div>
</div
<!-- end modal -->
PS: i also tried moving the session_start(); before the cycle still nothing. and i also tried the encoding without BOM still nothing :) if someone can help me it will be a big help tnx.
