I keep running into this error when trying to run my login system...
Warning: fread(): Length parameter must be greater than 0. in /home/www/evank3.awardspace.com/website/custom/login.php on line 64
Heres the page:
<?php
ob_start();
session_start();
echo "<head>";
echo '<link rel="stylesheet" type="text/css" href="css.css" />';
echo "</head>";
if($_GET['act'] == 'logout'){
$_SESSION['logged'] = '';
$_SESSION['username'] = '';
$_SESSION['password'] = '';
echo "<body>";
echo '<table align="center" cellpadding="4" bgcolor="#993366" class="tablefill">';
echo "<tr> ";
echo '<td width="100%" align="center">';
echo "Thanks, ";
echo "you are now logged out<br /><br />";
echo "Please wait while we transfer you...<br /><br />";
echo "(<a href='login.php'>Or click here if you do not wish to wait</a>)";
echo "</td>";
echo "</tr>";
echo "</table>";
echo "</body>";
echo "<head>\n";
echo "<SCRIPT LANGUAGE=\"JavaScript\">\n";
echo "var start=new Date();\n";
echo " start=Date.parse(start)/1000;\n";
echo " var counts=5;\n";
echo " function CountDown(){\n";
echo " var now=new Date();\n";
echo " now=Date.parse(now)/1000;\n";
echo " var x=parseInt(counts-(now-start),10);\n";
echo " if(document.form1){document.form1.clock.value = x;}\n";
echo " if(x>0){\n";
echo " timerID=setTimeout(\"CountDown()\", 100)\n";
echo " }else{\n";
echo " location.href=\"login.php\"\n";
echo " }\n";
echo " }\n";
echo "</script>\n";
echo "<SCRIPT LANGUAGE=\"JavaScript\">\n";
echo "<!--\n";
echo "window.setTimeout('CountDown()',100);\n";
echo "-->\n";
echo "</script>\n";
}else{
echo "<form method='post' action='".$_SERVER['PHP_SELF']."'>";
echo "<table>";
echo "<tr><td>Username:</td><td><input type='text' name='username' value='".$_POST['username']."'></td></tr>";
echo "<tr><td>Password:</td><td><input type='password' name='password'></td></tr>";
echo "<input type='hidden' name='action' value='1'>";
echo "<tr><td><a href='register.php'>Register</a></td><td><input type='submit' value='Login'></td></tr>";
echo "</table>";
echo "</form>";
if($_POST['action']=='1'){
$_username = $_POST['username'];
$_password = $_POST['password'];
$_filename = "userdata.php";
$_handle = fopen($_filename, "r");
*64* $_contents = fread($_handle, filesize($_filename));
fclose($_handle);
$_divide = explode("&", $_contents);
$_array = 0;
while($_divide[$_array] != ''){
list($username, $password, $email, $admin) = explode(";", $_divide[$_array]);
if($username == $_username){
if($password == $_password){
$_SESSION['logged'] = 'l9o8g7g6e5d4';
$_SESSION['username'] = $_username;
$_SESSION['password'] = $_password;
header("location:index.php?act=login");
}else{
$_echo = "<br><b>Your password is incorrect.</b><br>";
}
}else{
$_echo = "<br><b>Your username is incorrect.</b><br>";
}
$_array++;
}
echo $_echo;
}
}
?>
