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Warning: Cannot modify header information - headers already sent by

Xyphon

By Xyphon
in PHP Coding Help

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Xyphon Regular Member

Xyphon

Posted
Posted

I am getting this error:

Warning: Cannot modify header information - headers already sent by

on my pvp.php script, this is it:

<?PHP
include('top.php');
if(!isset($_SESSION['UsersID']))
{
echo "You need to be logged into view this page.";
include('bottom.php');
exit;
}
if(isset($_POST['battleplayer']))
{
$battleplayer=$_POST['battleplayer'];
if($_POST['battlepick']=="username")
{
$Battling_Result=mysql_query("SELECT * FROM users WHERE Username='$battleplayer'");
$Battling_Rows=mysql_fetch_array($Battling_Result);
$battleplayer=$Battling_Rows['ID'];
}
elseif($_POST['battlepick']=="id")
{
$Battling_Result=mysql_query("SELECT * FROM users WHERE ID='$battleplayer'");
$Battling_Rows=mysql_fetch_array($Battling_Result);
}
if(!empty($Battling_Rows))
{
$Enemy_ID=$Battling_Rows['ID'];
$Enemy_Name=$Battling_Rows['Username'];
$Enemy_Level=$Battling_Rows['Level'];
$Enemy_HP=$Battling_Rows['HP'];
$Enemy_MHP=$Battling_Rows['Max_HP'];
$Enemy_Energy=$Battling_Rows['Energy'];
$Enemy_MEnergy=$Battling_Rows['Max_Energy'];
$Battling_Result2=mysql_query("SELECT * FROM items WHERE Owner='$battleplayer' AND Slot='1'");
$Battling_Rows2=mysql_fetch_array($Battling_Result2);
$Battling_Result3=mysql_query("SELECT * FROM items WHERE Owner='$battleplayer' AND Slot='2'");
$Battling_Rows3=mysql_fetch_array($Battling_Result3);
$Battling_Result4=mysql_query("SELECT * FROM items WHERE Owner='$battleplayer' AND Slot='3'");
$Battling_Rows4=mysql_fetch_array($Battling_Result4);
$Battling_Result5=mysql_query("SELECT * FROM items WHERE Owner='$battleplayer' AND Slot='4'");
$Battling_Rows5=mysql_fetch_array($Battling_Result5);
$Battling_Result6=mysql_query("SELECT * FROM items WHERE Owner='$battleplayer' AND Slot='5'");
$Battling_Rows6=mysql_fetch_array($Battling_Result6);
$Enemy_Attack1=$Battling_Rows2['Name'];
$Enemy_Attack2=$Battling_Rows3['Name'];
$Enemy_Attack3=$Battling_Rows4['Name'];
$Enemy_Attack4=$Battling_Rows5['Name'];
$Enemy_Attack5=$Battling_Rows6['Name'];
$Enemy_Power=$Battling_Rows['Power'];
$Enemy_Defense=$Battling_Rows['Defense'];
$Enemy_Magic=$Battling_Rows['Magic'];
$Enemy_Race=$Battling_Rows['Race'];
$Enemy_Class=$Battling_Rows['Class'];
$Battle_Start="No";
$User_ID=$_SESSION['UsersID'];
mysql_query("DELETE from battle_info WHERE User_ID='$User_ID'");
mysql_query("INSERT into battle_info(Enemy_ID, Enemy_Name, Enemy_Level, Enemy_HP, Enemy_MHP, Enemy_Energy, Enemy_MEnergy, Enemy_Attack1, Enemy_Attack2, Enemy_Attack3, Enemy_Attack4, Enemy_Attack5, Enemy_Power, Enemy_Defense, Enemy_Magic, Enemy_Race, Enemy_Class, Battle_Start, User_ID) VALUES('$Enemy_ID', '$Enemy_Name', '$Enemy_Level', '$Enemy_HP', '$Enemy_MHP', '$Enemy_Energy', '$Enemy_MEnergy', '$Enemy_Attack1', '$Enemy_Attack2', '$Enemy_Attack3', '$Enemy_Attack4', '$Enemy_Attack5', '$Enemy_Power', '$Enemy_Defense', '$Enemy_Magic', '$Enemy_Race', '$Enemy_Class', '$Battle_Start', '$User_ID')") or die(mysql_error());
header('Location: battle.php');
}
else
{
echo "This user does not exist.<br />";
echo "Enter the Username/ID of the person you want to battle below:";
echo "<br /><form method='POST'><input type='text' name='battleplayer'><select name='battlepick'><option value='username'>Username</option><option value='id'>ID</option></select>";
echo "<br /><input type='submit' name='Submit' id='Submit' value='Submit' onclick='this.disabled=true; this.form.submit;'>";
echo "</form>";
}
}
else
{
echo "Enter the Username/ID of the person you want to battle below:";
echo "<br /><form method='POST'><input type='text' name='battleplayer'><select name='battlepick'><option value='username'>Username</option><option value='id'>ID</option></select>";
echo "<br /><input type='submit' name='Submit' id='Submit' value='Submit' onclick='this.disabled=true; this.form.submit;'>";
echo "</form>";
}
include('bottom.php');
?>

and this is my top.php script:

<?PHP
include('connect.php');
$ID = $_SESSION['UsersID'];
$ID = mysql_real_escape_string($ID);
if (!isset($_SESSION['UsersID']))
{
echo "
<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"
\"http://www.w3.org/TR/html4/loose.dtd\">
<font face='verdana'>
<head>
<link rel='stylesheet' type='text/css' href='style.css'>
</style>
</head>
<title>Shadow of the Eternal - Text Based RPG</title>
<body>
<div id='banner'><a href='index.php'><img src='banner.png'></a></div>
<div id='quicklinks'>Test</div>
<div id='leftmenu'>
<ul>
<li>Main
<ul>
<li><a href='index.php'>Home</a></li>
<li><a href='login.php'>Login</a></li>
<li><a href='signup.php'>Sign Up</a></li>
</ul>
</li>
</ul></div>
<div id='content'>
</font>";
}
else
{
echo "
<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"
\"http://www.w3.org/TR/html4/loose.dtd\">
<font face='verdana'>
<head>
<link rel='stylesheet' type='text/css' href='style.css'>
</style>
</head>
<title>Shadow of the Eternal - Text Based RPG</title>
<body>
<div id='banner'><a href='index.php'><img src='banner.png'></a></div>
<div id='quicklinks'>Test</div>
<div id='leftmenu'>
<ul>
<li>CryptoWare
<ul>
<li><a href='http://furiousflash.com'>Furious Flash</a></li>
<li><a href='http://crypto-ware.com'>CryptoWare</a></li>
</ul>
</li>
<li>Main
<ul>
<li><a href='index.php'>Home</a></li>
<li><a href='viewcomments.php'>News Comments</a></li>
<li><a href='logout.php'>Logout</a></li>
<li><a href='http://furiousflash.com/forum'>Forums</a></li>
</ul>
</li>
</ul></div>
<div id='content'>
</font>";
}
?>

And just in case this is my connect.php script:

<?PHP
mysql_connect('localhost','*****','*****');
mysql_select_db('*****');
session_start();
?>

Any idea why?

 

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